
Power Transformers With Off Circuit Tap-changer On Load Tap Changer; Main Dimensions And Accessories, 2000 To 10000 Kva And Up To Insulation Class 110 N
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Power Transformers With Off Circuit Tap-changer On Load Tap Changer; Main Dimensions And Accessories, 2000 To 10000 Kva And Up To Insulation Class 110 N
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻