SIS SS 424 02 27-1979 Rubber and thermoplastic insulated cords and cables Flat PVOinsulated PVC-sheathed flexible cables Design《橡胶和热塑性塑料绝缘电线和电缆 扁平聚氯乙烯绝缘，聚氯乙烯护套软电缆 设计》.pdf

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