DIFF Subgroup
F27D 17/30 Arrangements for extraction or collection of waste gases; Hoods therefor
Introduced: January 2025
Full Title
Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases > Arrangements for extraction or collection of waste gases; Hoods therefor
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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