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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A61C9/004
Means or methods for taking digitized impressions
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A61C9/0046
Data acquisition means or methods
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A61C9/0086
Acoustic means or methods
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