Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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A61K6/80
Preparations for artificial teeth, for filling teeth or for capping teeth
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A61K6/884
comprising natural or synthetic resins
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A61K6/891
Compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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