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DE3004148A1
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DEVICE FOR CHECKING AN ELECTRICAL DEVICE, IN PARTICULAR A VOLTAGE TESTER
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DE2849529A1
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SINGLE-POLE VOLTAGE DETECTOR
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Voltage detector for detecting different voltage levels in conductors of an electrical power line
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ELECTRONIC VOLTAGE DETECTOR
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DEVICE FOR CHECKING AN ELECTRICAL DEVICE, IN PARTICULAR A VOLTAGE TESTER
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Device for detecting electrical voltages
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ES353446A1
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Alternate electrical tension detector. (Machine-translation by Google Translate, not legally binding)
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ES342635A1
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Voltage Testing Arrangement
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DE1294543B
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AC high voltage tester for stationary connection
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DE1142414B
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High voltage tester
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DE1143585B
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Test device for high voltage systems
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GB987980A
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Electric voltage detecting apparatus
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US3265969A
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High voltage probe apparatus with a plurality of discharge tube isolating spark gaps therein
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