亨通光电推业内首款SWAFRFRTM高阻燃耐火光缆_河南诚信电线电缆 ...
近日,亨通光电推出业内首款"SWAFRFRTM 高阻燃耐火光缆"新产品,该产品为行业 内首例通过BS6387与IEC60331-11/25耐火性能与IEC61034烟密度试验的耐火 ...
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