Blast furnaces (lifts associated with blast furnaces B66B9/06)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Blast furnaces

CPC: Blast furnaces (lifts associated with blast furnaces B66B9/06)

Full titles differ between systems:

IPC:

Blast furnaces

CPC:

Blast furnaces (lifts associated with blast furnaces B66B9/06)

Of 12 combined children, 10 exist in both systems.

2 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

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C21B 7/002 +1 CPC CPC only CPC only
C21B 7/007 CPC only CPC only
C21B 7/02 Internal forms IPC+CPC Available in IPC and CPC
C21B 7/04 with special refractories (refractory materials C04B) IPC+CPC Available in IPC and CPC
C21B 7/08 Top armourings IPC+CPC Available in IPC and CPC
C21B 7/10 Cooling; Devices therefor +2 CPC IPC+CPC Available in IPC and CPC
C21B 7/12 Opening or sealing the tap holes +1 CPC IPC+CPC Available in IPC and CPC
C21B 7/14 Discharging devices, e.g. for slag IPC+CPC Available in IPC and CPC
C21B 7/16 Tuyéres +2 CPC IPC+CPC Available in IPC and CPC
C21B 7/18 Bell-and-hopper arrangements IPC+CPC Available in IPC and CPC
C21B 7/22 Dust arresters IPC+CPC Available in IPC and CPC
C21B 7/24 Test rods or other checking devices IPC+CPC Available in IPC and CPC