Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61C
DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
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13/00
Dental prostheses; Making same
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A61C13/34
Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]
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