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using friction, toothed, or screw-and-nut gearing
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Industry
CPC
H01H3/40
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H3/00
Mechanisms for operating contacts
Current Industry
H01H3/40
using friction, toothed, or screw-and-nut gearing
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