Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61M
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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39/00
Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
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A61M39/22
Valves or arrangement of valves
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A61M39/28
Clamping means for squeezing flexible tubes, e.g. roller clamps
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