Draft Document - Optical fibre cables - Part 2-11: Indoor cables - Detailed specification for simplex and duplex cables for use in premises cabling (IEC 60794-2-11:2019/A1:2020); German version EN IEC 60794-2-11:2019/A1:2021
文件草案-光缆-第2-11部分:室内电缆-室内布线用单工和双工电缆详细规范(IEC 60794-2-11-2019/A1-2020);德国版本EN IEC 60794-2-11:2019/A1:2021