CPC Subgroup
A61M 39/24 Check- or non-return valves
Full Title
Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use (for respiratory devices, e.g. tracheal tubes A61M16/00; artificial heart valves A61F2/24) > Valves or arrangement of valves > Check- or non-return valves
7 direct subcodes
Child Classifications
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