DIFF Main Group
F27D 9/00 Cooling of furnaces or of charges therein (casings, linings, walls or roofs incorporating cooling arrangements F27D1/12)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Cooling of furnaces or of charges therein
CPC: Cooling of furnaces or of charges therein (casings, linings, walls or roofs incorporating cooling arrangements F27D1/12)
Full Title
Full titles differ between systems:
IPC:
Cooling of furnaces or of charges therein
CPC:
Cooling of furnaces or of charges therein (casings, linings, walls or roofs incorporating cooling arrangements F27D1/12)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.
Child Classifications
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