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PDF
Scheme
CPC-to-IPC
Definition
Compilation of
Changes
Recent Changes List
CPC to IPC Concordance for Subclass
C
10G
Printable Version [PDF]
Version:
2025.01
CPC Group
IPC Group
C
10G
1/00
C
10
G
1/00
C
10G
1/002
C
10
G
1/00
C
10G
1/004
C
10
G
1/00
C
10G
1/006
C
10
G
1/00
C
10G
1/008
C
10
G
1/00
C
10G
1/02
C
10
G
1/02
C
10G
1/04
C
10
G
1/04
C
10G
1/042
C
10
G
1/04
C
10G
1/045
C
10
G
1/04
C
10G
1/047
C
10
G
1/04
C
10G
1/06
C
10
G
1/06
C
10G
1/065
C
10
G
1/06
C
10G
1/08
C
10
G
1/08
C
10G
1/083
C
10
G
1/08
C
10G
1/086
C
10
G
1/08
C
10G
1/10
C
10
G
1/10
C
10G
2/00
C
10
G
2/00
C
10G
2/30
C
10
G
2/00
C
10G
2/31
C
10
G
2/00
C
10G
2/32
C
10
G
2/00
C
10G
2/33
C
10
G
2/00
C
10G
2/331
C
10
G
2/00
C
10G
2/332
C
10
G
2/00
C
10G
2/333
C
10
G
2/00
C
10G
2/334
C
10
G
2/00
C
10G
2/34
C
10
G
2/00
C
10G
2/341
C
10
G
2/00
C
10G
2/342
C
10
G
2/00
C
10G
2/343
C
10
G
2/00
C
10G
2/344
C
10
G
2/00
C
10G
2/35
C
10
G
2/00
C
10G
2/40
C
10
G
2/00
C
10G
2/50
C
10
G
2/00
C
10G
3/00
C
10
G
3/00
C
10G
3/40
C
10
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3/00
C
10G
3/42
C
10
G
3/00
C
10G
3/44
C
10
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3/00
C
10G
3/45
C
10
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3/00
C
10G
3/46
C
10
G
3/00
C
10G
3/47
C
10
G
3/00
C
10G
3/48
C
10
G
3/00
C
10G
3/49
C
10
G
3/00
C
10G
3/50
C
10
G
3/00
C
10G
3/52
C
10
G
3/00
C
10G
3/54
C
10
G
3/00
C
10G
3/55
C
10
G
3/00
C
10G
3/56
C
10
G
3/00
C
10G
3/57
C
10
G
3/00
C
10G
3/60
C
10
G
3/00
C
10G
3/62
C
10
G
3/00
C
10G
5/00
C
10
G
5/00
C
10G
5/02
C
10
G
5/02
C
10G
5/04
C
10
G
5/04
C
10G
5/06
C
10
G
5/06
C
10G
7/00
C
10
G
7/00
C
10G
7/003
C
10
G
7/00
C
10G
7/006
C
10
G
7/00
C
10G
7/02
C
10
G
7/02
C
10G
7/04
C
10
G
7/04
C
10G
7/06
C
10
G
7/06
C
10G
7/08
C
10
G
7/08
C
10G
7/10
C
10
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7/10
C
10G
7/12
C
10
G
7/12
C
10G
9/00
C
10
G
9/00
C
10G
9/002
C
10
G
9/00
C
10G
9/005
C
10
G
9/00
C
10G
9/007
C
10
G
9/00
C
10G
9/02
C
10
G
9/02
C
10G
9/04
C
10
G
9/04
C
10G
9/06
C
10
G
9/06
C
10G
9/08
C
10
G
9/08
C
10G
9/12
C
10
G
9/12
C
10G
9/14
C
10
G
9/14
C
10G
9/16
C
10
G
9/16
C
10G
9/18
C
10
G
9/18
C
10G
9/20
C
10
G
9/20
C
10G
9/203
C
10
G
9/20
C
10G
9/206
C
10
G
9/20
C
10G
9/24
C
10
G
9/24
C
10G
9/26
C
10
G
9/26
C
10G
9/28
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10
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9/28
C
10G
9/30
C
10
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9/30
C
10G
9/32
C
10
G
9/32
C
10G
9/34
C
10
G
9/34
C
10G
9/36
C
10
G
9/36
C
10G
9/38
C
10
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9/38
C
10G
9/40
C
10
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9/40
C
10G
9/42
C
10
G
9/42
C
10G
11/00
C
10
G
11/00
C
10G
11/02
C
10
G
11/02
C
10G
11/04
C
10
G
11/04
C
10G
11/05
C
10
G
11/05
C
10G
11/06
C
10
G
11/06
C
10G
11/08
C
10
G
11/08
C
10G
11/10
C
10
G
11/10
C
10G
11/12
C
10
G
11/12
C
10G
11/14
C
10
G
11/14
C
10G
11/16
C
10
G
11/16
C
10G
11/18
C
10
G
11/18
C
10G
11/182
C
10
G
11/18
C
10G
11/185
C
10
G
11/18
C
10G
11/187
C
10
G
11/18
C
10G
11/20
C
10
G
11/20
C
10G
11/22
C
10
G
11/22
C
10G
15/00
C
10
G
15/00
C
10G
15/08
C
10
G
15/08
C
10G
15/10
C
10
G
15/10
C
10G
15/12
C
10
G
15/12
C
10G
17/00
C
10
G
17/00
C
10G
17/02
C
10
G
17/02
C
10G
17/04
C
10
G
17/04
C
10G
17/06
C
10
G
17/06
C
10G
17/07
C
10
G
17/07
C
10G
17/08
C
10
G
17/08
C
10G
17/085
C
10
G
17/085
C
10G
17/09
C
10
G
17/09
C
10G
17/095
C
10
G
17/095
C
10G
17/10
C
10
G
17/10
C
10G
19/00
C
10
G
19/00
C
10G
19/02
C
10
G
19/02
C
10G
19/04
C
10
G
19/04
C
10G
19/06
C
10
G
19/06
C
10G
19/067
C
10
G
19/067
C
10G
19/073
C
10
G
19/073
C
10G
19/08
C
10
G
19/08
C
10G
21/00
C
10
G
21/00
C
10G
21/003
C
10
G
21/00
C
10G
21/006
C
10
G
21/00
C
10G
21/02
C
10
G
21/02
C
10G
21/04
C
10
G
21/04
C
10G
21/06
C
10
G
21/06
C
10G
21/08
C
10
G
21/08
C
10G
21/10
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10
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21/10
C
10G
21/12
C
10
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21/12
C
10G
21/14
C
10
G
21/14
C
10G
21/16
C
10
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21/16
C
10G
21/18
C
10
G
21/18
C
10G
21/20
C
10
G
21/20
C
10G
21/22
C
10
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21/22
C
10G
21/24
C
10
G
21/24
C
10G
21/26
C
10
G
21/26
C
10G
21/27
C
10
G
21/27
C
10G
21/28
C
10
G
21/28
C
10G
21/30
C
10
G
21/30
C
10G
25/00
C
10
G
25/00
C
10G
25/003
C
10
G
25/00
C
10G
25/006
C
10
G
25/00
C
10G
25/02
C
10
G
25/02
C
10G
25/03
C
10
G
25/03
C
10G
25/05
C
10
G
25/05
C
10G
25/06
C
10
G
25/06
C
10G
25/08
C
10
G
25/08
C
10G
25/09
C
10
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25/09
C
10G
25/11
C
10
G
25/11
C
10G
25/12
C
10
G
25/12
C
10G
27/00
C
10
G
27/00
C
10G
27/02
C
10
G
27/02
C
10G
27/04
C
10
G
27/04
C
10G
27/06
C
10
G
27/06
C
10G
27/08
C
10
G
27/08
C
10G
27/10
C
10
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27/10
C
10G
27/12
C
10
G
27/12
C
10G
27/14
C
10
G
27/14
C
10G
29/00
C
10
G
29/00
C
10G
29/02
C
10
G
29/02
C
10G
29/04
C
10
G
29/04
C
10G
29/06
C
10
G
29/06
C
10G
29/08
C
10
G
29/08
C
10G
29/10
C
10
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29/10
C
10G
29/12
C
10
G
29/12
C
10G
29/16
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10
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29/16
C
10G
29/20
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10
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29/20
C
10G
29/205
C
10
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29/20
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10G
29/22
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29/22
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10G
29/24
C
10
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29/24
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10G
29/26
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10
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29/26
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10G
29/28
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10
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29/28
C
10G
31/00
C
10
G
31/00
C
10G
31/06
C
10
G
31/06
C
10G
31/08
C
10
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31/08
C
10G
31/09
C
10
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31/09
C
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31/10
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10
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31/10
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10G
31/11
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10
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31/11
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32/00
C
10
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32/00
C
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32/02
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10
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32/02
C
10G
32/04
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10
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32/04
C
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33/00
C
10
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33/00
C
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33/02
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33/02
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33/04
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10
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33/04
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33/06
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10
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33/06
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33/08
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10
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33/08
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35/00
C
10
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35/00
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35/02
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35/02
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35/04
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10
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35/04
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35/06
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10
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35/06
C
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35/065
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10
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35/06
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35/085
C
10
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35/085
C
10G
35/09
C
10
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35/09
C
10G
35/095
C
10
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35/095
C
10G
35/10
C
10
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35/10
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35/12
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35/12
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35/14
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35/14
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35/16
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10
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35/16
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35/22
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10
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35/22
C
10G
35/24
C
10
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35/24
C
10G
45/00
C
10
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45/00
C
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45/02
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10
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45/02
C
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45/04
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10
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45/04
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45/06
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10
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45/06
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45/08
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45/58
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45/60
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45/62
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45/62
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45/64
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10
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45/64
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45/66
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10
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45/66
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45/68
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45/70
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10
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45/70
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45/72
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10
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47/00
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10
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49/00
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53/00
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10
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53/02
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53/04
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53/06
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53/06
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53/08
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53/10
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53/12
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53/14
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53/16
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53/16
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55/00
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10
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55/00
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55/02
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55/02
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55/04
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55/04
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