Home / Standards / GB/T 7721-2017 GB/T 7721-2017 Active Continuous totalizing automatic weighing instruments(belt weighers) 连续累计自动衡器(皮带秤) Standard Type GBT ICS 17.100 CCS N13 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A