Home / Standards / GB/T 43079.2-2023 GB/T 43079.2-2023 Active Specification for selection and matching of steel pipe flanges, gaskets and fasteners—Part 2: Class designated 钢制管法兰、垫片及紧固件选用规定 第2部分:Class系列 Standard Type GBT ICS 23.040.60 CCS J15 Status 现行 Issue Date 2023-09-07 Implementation 2024-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A