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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A61B1/00
Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
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A61B1/00064
Constructional details of the endoscope body
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A61B1/00071
Insertion part of the endoscope body
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A61B1/0008
characterised by distal tip features
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A61B1/00096
Optical elements
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