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PCE
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DIFF Subgroup
F27B 1/02

with two or more shafts or chambers, e.g. multi-storey

Introduced: September 1968

Full Title

Shaft or like vertical or substantially vertical furnaces > with two or more shafts or chambers, e.g. multi-storey

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • F27B 1/025 CPC only CPC only
  • F27B 1/04 Combinations or arrangements of shafts IPC+CPC Available in IPC and CPC