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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H01H50/44
Magnetic coils or windings
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H01H2050/446
Details of the insulating support of the coil, e.g. spool, bobbin, former
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