with flexible valve members

Full Title

Check valves (valves specially adapted for inflatable balls A63B41/00) > with flexible valve members

Child Classifications

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• F16K 15/1401
• F16K 15/1402
• F16K 15/141
• F16K 15/144
• F16K 15/148
• F16K 15/16 with tongue-shaped laminae