Home / Standards / GB/T 13749-2022 GB/T 13749-2022 Active Impact pile driver—Code of practice of safety operation 冲击式打桩机 安全操作规程 Standard Type GBT ICS 91.220 CCS P97 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A