H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01H
ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
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H01H50/00
Details of electromagnetic relays
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H01H50/54
Contact arrangements
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H01H50/56
Contact spring sets
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H01H50/58
Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
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