TRANSFORMERS (ELECTRICAL ENERGY TRANSFORMATION)
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BTCONVERSION OF ELECTRICAL ENERGY BY MEANS OF TRANSFORMERS,CONVERTERS, POWER CONVERTERS, RECTIFIERS
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UDC621.314.21
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Descriptor GERTRANSFORMATOREN (UMFORMUNG ELEKTRISCHER ENERGIE)
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Descriptor ENGTRANSFORMERS (ELECTRICAL ENERGY TRANSFORMATION)
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Descriptor FRETRANSFORMATEURS (TRANSFORMATION D'ÉNERGIE ÉLECTRIQUE)
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NTTHREE PHASE TRANSFORMERS (ELECTRICAL ENERGY TRANSFORMATION)
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NTIRON CORE TRANSFORMERS (ELECTRICAL ENERGY TRANSFORMATION)
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NTPOWER TRANSFORMERS (ELECTRICAL ENERGY TRANSFORMATION)
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NTOIL TRANSFORMERS (ELECTRICAL ENERGY TRANSFORMATION)
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NTTEST TRANSFORMERS (ELECTRICAL TEST DEVICES)
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NTADJUSTABLE TRANSFORMERS + VARIABLE-RATIO TRANSFORMERS (ELECTRICAL ENERGY TRANSFORMATION)
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NTISOLATING TRANSFORMERS + SAFETY TRANSFORMERS (ELECTRICAL PROTECTION DEVICES)
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NTTRANSMISSION LINE TRANSFORMERS, TLT (SIGNAL TRANSMISSION)
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NTTRANSFORMERS/FOR SPECIAL PURPOSES (ELECTRICAL MEASUREMENTS)