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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A61K9/0087
Galenical forms not covered by A61K9/02 - A61K9/7023
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A61K9/009
Sachets, pouches characterised by the material or function of the envelope
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