Home / Standards / GB/T 39823-2021 GB/T 39823-2021 Active Light conveyor belts—Tolerances on widths and lengths of cut light conveyor belts 轻型输送带 切割式轻型输送带的宽度和长度极限偏差 Standard Type GBT ICS 53.040.20 CCS G42 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A