PUYBV煤矿用通信电缆

矿井用通信电缆PUYVRP

2对矿用通信电缆 MHYV

MHYV矿用电话线

MHYVRP1*2*7/0.52 有煤安证

MHYV通信电缆//10*2*7/0.28

MHYVP 2×2×7/0.43 矿用通信电缆

MHYA32 矿用阻燃通信电缆

矿用阻燃通信电缆MHYA32

MHYV1*3*0.8 矿用通信电缆