Home / Standards / GB/T 26471-2023 GB/T 26471-2023 Active Tower crane—Rules of installation, disassembly and climbing 塔式起重机 安装、拆卸与爬升规则 Standard Type GBT ICS 53.020.20 CCS J80 Status 现行 Issue Date 2023-03-17 Implementation 2023-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A