DIFF Subgroup
C21B 9/10 Other details, e.g. blast mains
Introduced: September 1968
Full Title
Stoves for heating the blast in blast furnaces > Other details, e.g. blast mains
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C21B 9/12 Hot-blast valves or slides for blast furnaces (valves in general F16K) IPC+CPC Available in IPC and CPC