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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2205/00
General characteristics of the apparatus
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A61M2205/02
characterised by a particular materials
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A61M2205/0272
Electro-active or magneto-active materials
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A61M2205/0277
Chemo-active materials
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