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F
F28
F28F
F28F 2275/00
F28F 2275/18

CPC Subgroup Additional Only

F28F 2275/18

by using wedge effect

Full Title

Fastening; Joining > by using wedge effect

CPC F28F 2275/18

No direct equivalent in IPC

11 CPC-only subgroups

F28F 2275/16 F28F 2275/20

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

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