Home / Standards / GBT 2101-2017 GBT 2101-2017 General requirements for acceptance, packaging, marking, and quality certificates of 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 N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A