GB/T 12972.4-2008

Flexible rubber-sheathed cables for mining purposes - Part 4：Flexible coalcutter cables with individual metallic screens for rated voltages up to 1.9/3.3kV

矿用橡套软电缆 第4部分：额定电压1.9/3.3kV及以下采煤机金属屏蔽软电缆