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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A61K9/00
Medicinal preparations characterised by special physical form
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A61K9/70
Web, sheet or filament bases; ; Films; Fibres of the matrix type containing drug
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A61K9/7023
Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
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