GOST 1516.3-1996 交流电压1到750kV电器设备绝缘强度要求
GOST 1516.3-96I N T E R S T A T E S T A N D A R DELECTRICAL EQUIPMENT DESIGNEDFOR AC VOLTAGES FROM 1
GOST 1516.3-1996 交流电压1到750kV电器设备绝缘强度要求