MHYVRP 4*2*7/0.37矿...
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矿用通信电缆MHYVR1*4*7/0...
HYA100*2*0.5 通信电缆
HYA30*2*0.4/0.5电话电...
矿用阻燃通信电缆MHYAV 10*2...