Specification for 300 500 v fire resistant electric cables having low emission of smoke and corrosive gases when affected by fire - multicore cables 具有低排放烟雾和腐蚀性气体的300 500 v电缆受火情影响时的耐火规范.第1部分:多心电缆
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Specification for 300 500 v fire resistant electric cables having low emission of smoke and corrosive gases when affected by fire - multipair cables 具有低排放烟雾和腐蚀性气体的300 500 v电缆受火情影响时的耐火规范.第2部分:多双股电缆
