CPC Subgroup
F16K 15/08 shaped as rings
Full Title
Check valves (valves specially adapted for inflatable balls A63B41/00) > with guided rigid valve members > shaped as rings
2 direct subcodes
Child Classifications
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- F16K 15/10 integral with, or rigidly fixed to, a common valve plate
- F16K 15/12 Springs for ring valves