Home / Standards / GB 40159-2021 GB 40159-2021 Active En-masse conveyors—Safety rules 埋刮板输送机 安全规范 Standard Type GB ICS 53.040.01 CCS J81 Status 现行 Issue Date 2021-04-30 Implementation 2022-05-01 Responsible Dept 工业和信息化部 Drafting Unit N/A