Cables with plastic - insulation and lead - sheath for power installation 电力设备塑料绝缘电缆和铅包电缆
2.
Cables of rated voltages up to and including 450 750 v and having thermoplastic insulation - part 1 : general requirements ; german version hd 21 . 1 s4 : 2002 额定电压为450 750v及以下的热塑性塑料绝缘电缆.第1