OVE/ONORM EN 61558-2-12:2012现行
Safety Of Transformers, Reactors, Power Supply Units And Combinations Thereof - Part 2-12: Particular Requirements And Tests For Constant Voltage Transformers And Power Supply Units For Constant Voltage (Iec 61558-2-12:2011)
出版：Osterreichisches Normungsinstitut
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