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Quick break arc horn for horizontally opening air break switches
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Motor mechanism for opening and closing electric switches
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Gang operated combination switch units each comprising a horizontally opening switch and a vertically opening bypass switch
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Spring motor mechanism for fast automatic opening or closing of high tension electric switches
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US3026388A
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Mechanism for opening or closing a switch by means of an electric motor
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Apparatus for operating high tension electric switches
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High tension electrical switches
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Arc extinguishing attachment for air-break switches
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Switch operating lever
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Hook and latch for line implements
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High-tension fuse assembly and heater therefor
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High pressure contact air-break switch
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Bolted connecting clamp for line conductors
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Connecting means
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Link motion retracting blade switch
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Retracting blade switch
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Line implement
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High tension electrical switch
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Push-out fuse
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US2288529A
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Electrical switch
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