Home / Standards / GB/T 2101-2017 GB/T 2101-2017 Active General requirment of acceptance, packaging, marking and certification for section steel 型钢验收、包装、标志及质量证明书的一般规定 Standard Type GBT ICS 77.140.70 CCS H44 Status 现行 Issue Date 2017-07-31 Implementation 2018-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会