C21B 2005/005 — | Patent Classification Explorer

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C
C21
C21B
C21B 5/00
C21B 5/001
C21B 2005/005

CPC Subgroup Additional Only

C21B 2005/005

Full Title

Making pig-iron in the blast furnace

CPC C21B 2005/005

No direct equivalent in IPC

3 CPC-only subgroups

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

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