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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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A61B2017/00831
Material properties
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A61B2017/0084
low friction
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A61B2017/00845
of moving parts with respect to each other
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