Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61B
DIAGNOSIS; SURGERY; IDENTIFICATION
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17/00
Surgical instruments, devices or methods
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A61B17/24
for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
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A61B17/244
for cleaning of the tongue
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