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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

F
F25
F25D
F25D 2201/00
F25D 2201/30

CPC Subgroup Additional Only

F25D 2201/30

with respect to sound

Full Title

Insulation > with respect to sound

CPC F25D 2201/30

No direct equivalent in IPC

2 CPC-only subgroups

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

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