Home / Standards / GB/T 25684.9-2021 GB/T 25684.9-2021 Active Earth-moving machinery—Safety—Part 9: Requirements for pipelayers 土方机械 安全 第9部分:吊管机的要求 Standard Type GBT ICS 53.100 CCS P97 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A