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Patent Classification Explorer PCE

Search Classifications

Search for IPC and CPC classification codes or keywords

B
B21
B21L
B21L 19/00

CPC Main Group

B21L 19/00

Appurtenances for chain-making not restricted to any particular process

CPC B21L 19/00

IPC Equivalent: B21L 19/00

B21L 15/00 B21L 21/00

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

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