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Patent Classification Explorer PCE

Search Classifications

Search for IPC and CPC classification codes or keywords

F
F28
F28F
F28F 2240/00

CPC Main Group Additional Only

F28F 2240/00

Spacing means

CPC F28F 2240/00

No direct equivalent in IPC

16 CPC-only subgroups

F28F 2235/00 F28F 2245/00

Data: WIPO (IPC), EPO/USPTO (CPC) — CC BY 4.0

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