MHYVR矿用信号电缆
MHYVR矿用防爆电缆1*4*7/0.5
MHYAV 20×2×0.8 矿用通信电缆
MHYV 1×2×7/0.52 矿用通信电缆
矿用电话线-MHYV-1X2X7/0.28
MHYVR 1×2×7/0.28矿用通信电缆
斜井用通信电缆MHYA32 50＊2＊0.8