STAS SR CEI 771-1995 电缆最大总体直径的估算和带有聚烯烃绝缘和挡潮层聚烯烃护套的低频电缆悬挂链的最小抗拉强度规格
Calculation of maximum overall diameter of cables and specification of minimum tensile strength of suspension strand for low-frequency cables with polyolefin insulation and moisture barrier polyolefin sheath