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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3/00
Apparatus for testing the eyes; Instruments for examining the eyes
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A61B3/10
Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
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A61B3/1005
for measuring distances inside the eye, e.g. thickness of the cornea
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