MT 818.2-1999
煤矿用阻燃电缆.第1单元:煤矿用移动类阻燃软电缆.第2部分:额定电压1.9/3.3kV及以下采煤机软电缆
Flame retardant cables intended to be used in coal mines Unit 1: Moveable flame retardant flexible cables intended to be used in coal mines Part 2 Flexible cables of coal cutters with rated voltage of 1.9/3.3kV and below