SIS SS 424 16 80-1987 Telecommunication cables Cellular-polyolefin- insulated PVC-sheathed screened computer cable typ EUEFK《通信电缆 蜂窝聚烯烃绝缘，聚氯乙烯护套，屏蔽计算机电缆，EUEFK类型》.pdf

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