Home / Standards / GB/T 43502.1-2023 GB/T 43502.1-2023 Active Natural gas—Determination of particulate matter—Part 1:Determination of particle size distribution by optical method 天然气 颗粒物的测定 第1部分:用光学法测定粒径分布 Standard Type GBT ICS 75.060 CCS E24 Status 现行 Issue Date 2023-12-28 Implementation 2024-04-01 Responsible Dept 国家标准委 Drafting Unit N/A