Home / Standards / GB/T 34629-2017 GB/T 34629-2017 Active Conveyor belts—Determination of minimum pulley diameters 输送带 最小滚筒直径的确定 Standard Type GBT ICS 53.040.20 CCS G42 Status 现行 Issue Date 2017-09-29 Implementation 2018-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A