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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

E
E01
E01B
E01B 2203/00
E01B 2203/17

CPC Subgroup Additional Only

E01B 2203/17

continually advancing

Full Title

Devices for working the railway-superstructure > continually advancing

CPC E01B 2203/17

No direct equivalent in IPC

12 CPC-only subgroups

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

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