USPC-to-IPC Reverse Concordance for IPC Subclass - D21B Fibrous Raw Materials Or Their Mechanical Treatment
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You are viewing a USPC-to-IPC Reverse Concordance Subclass.
USPC-to-IPC Reverse Concordance for
IPC Subclass - D21B
Fibrous Raw Materials Or Their Mechanical Treatment

Printable Version[PDF]
IPC GroupU.S. ClassU.S. Subclass
1  /  04 162 26     -     28
    264 115     -     116
1  /  08 162 4
1  /  12 162 23
1  /  16 162 24     -     25
1  /  30 162 23
1  /  32 162 4
    162 261
1  /  36 162 21     -     22


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