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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9/00
Impression cups,; i.e. impression trays; Impression methods
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A61C9/002
Means or methods for correctly replacing a dental model, e.g. dowel pins; Dowel pin positioning means or methods
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