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Patent Classification Explorer PCE

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B
B01
B01D
B01D 2201/00
B01D 2201/31
B01D 2201/316

CPC Subgroup Additional Only

B01D 2201/316

Standpipes

Full Title

Details relating to filtering apparatus > Other construction details > Standpipes

CPC B01D 2201/316

No direct equivalent in IPC

2 CPC-only subgroups

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

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