C21B 13/008 — | Patent Classification Explorer

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C
C21
C21B
C21B 13/00
C21B 13/008

CPC Subgroup

C21B 13/008

Full Title

Making spongy iron or liquid steel, by direct processes

CPC C21B 13/008

No direct equivalent in IPC

9 CPC-only subgroups

C21B 13/0073 C21B 13/0086

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

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