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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9/00
Medicinal preparations characterised by special physical form
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A61K9/20
Pills, tablets,; discs, rods
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A61K9/2004
Excipients; Inactive ingredients
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A61K9/2022
Organic macromolecular compounds
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