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Patent classifications
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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50/00
Details of electromagnetic relays
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H01H50/86
Means for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
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H01H50/88
Mechanical means, e.g. dash-pot
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