Amendment 2 - Electric and optical fibre cables - Test methods for non-metallic materials - Part 501: Mechanical tests - Tests for determining the mechanical properties of insulating and sheathing compounds
修改件2.电缆和光纤电缆.非金属材料的试验方法.第501部分:机械试验.绝缘和护套化合物机械性能的测定试验