CPC Subgroup
F01D 25/14 Casings modified therefor (double casings F01D25/26)
Full Title
Component parts, details, or accessories, not provided for in, or of interest apart from, other groups > Cooling (of machines or engines in general F01P); Heating; Heat-insulation (of blade-carrying members, of blades F01D5/00) > Casings modified therefor (double casings F01D25/26)
1 direct subcode
Child Classifications
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