DIFF Subgroup
F16K 15/025 Full Title
Check valves (valves specially adapted for inflatable balls A63B41/00) > with guided rigid valve members
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
F16K 15/025 Check valves (valves specially adapted for inflatable balls A63B41/00) > with guided rigid valve members
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.