CPC Subgroup
F16K 15/20 specially designed for inflatable bodies, e.g. tyres (connecting valves to inflatable bodies B60C29/00)
Full Title
Check valves (valves specially adapted for inflatable balls A63B41/00) > specially designed for inflatable bodies, e.g. tyres (connecting valves to inflatable bodies B60C29/00)
3 direct subcodes
Child Classifications
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