RELAYS (ELECTRICAL ENGINEERING
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BTMAGNETIC MATERIALS, PERMANENT MAGNETS, ELECTROMAGNETS, INDUCTOR COILS, CHOKING COILS, TRANSDUCTORS, RELAYS (TECHNICAL APPLICATIONS OF MAGNETISM)
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UDC621.318.5
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Descriptor GERRELAIS (ELEKTROTECHNIK)
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Descriptor ENGRELAYS (ELECTRICAL ENGINEERING
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Descriptor FRERELAIS (ÉLECTROTECHNIQUE)
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NTELECTROMAGNETIC RELAYS (ELECTRICAL ENGINEERING
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NTELECTRONIC RELAYS + ELECTRONIC SWITCHES (ELECTRICAL ENGINEERING)
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NTMEASURING RELAYS (ELECTRICAL MEASUREMENT TECHNIQUES)