
Electric and optical fibre cables ― Test methods for non-metallic materials ― Part 411: Miscellaneous tests ― Low-temperature brittleness of filling compounds
出版:Korean Standards Association

专家解读视频
Electric and optical fibre cables ― Test methods for non-metallic materials ― Part 411: Miscellaneous tests ― Low-temperature brittleness of filling compounds
出版:Korean Standards Association
专家解读视频