E21D 17/003 — | Patent Classification Explorer

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E
E21
E21D
E21D 17/00
E21D 17/003

CPC Subgroup

E21D 17/003

Full Title

Caps for supporting mine roofs

CPC E21D 17/003

No direct equivalent in IPC

2 CPC-only subgroups

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

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