CPC Subgroup Additional Only
F16K 2200/305 Constructional features of springs
Full Title
Details of valves > Spring arrangements > Constructional features of springs
3 direct subcodes
Child Classifications
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- F16K 2200/3051 Generally flat springs
- F16K 2200/3052 Cantilever springs
- F16K 2200/3053 Helicoidal springs of variable pitch, diameter or spring rate