Home / Standards / GB 12972.8-1991 GB 12972.8-1991 Abolished Flexible rubber-sheathed cables for mining purposes--Part 8:Flexible drill cables for rated voltage of 0.3/0.5kV 矿用橡套软电缆 第八部分:额定电压0.3/0.5 kV 矿用电钻电缆 Standard Type GB ICS 29.060.20 CCS K13 Status 废止 Issue Date 1991-06-06 Implementation 1992-03-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A