SIS SS 424 14 14-1985 Power cables PVC-insulated PVC-sheathed cables with concentric conductor typ AKKJ EKKJ FKKJ - Rated voltage 0 6 1 kV - Testing《电力电缆 聚氯乙烯绝缘,聚氯乙烯护套电缆同心导体,AKKJ;.pdf

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