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Scheme
Definition
CPC-to-IPC
Compilation of Changes
Recent Changes List
CPC to IPC Concordance for Subclass
E
05F
Printable Version [PDF]
Version:
2026.08
CPC Group
IPC Group
CPC Group
IPC Group
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Last updated on:
Friday July 31, 2026
Published on:
Friday July 31, 2026
Owned by:
Office of International Patent Cooperation