Home / Standards / GB/T 16508.4-2022 GB/T 16508.4-2022 Active Shell boilers—Part 4: Fabrication, inspection and acceptance 锅壳锅炉 第4部分：制造、检验与验收 Standard Type GBT ICS 27.060.30 CCS J98 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委