Home / Standards / GB/T 17651.2-2021 GB/T 17651.2-2021 Active Measurement of smoke density of cables or optical fiber cables burning under defined conditions—Part 2: Test procedure and requirements 电缆或光缆在特定条件下燃烧的烟密度测定 第2部分:试验程序和要求 Standard Type GBT ICS 29.060.01 CCS K13 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A