Home / Standards / GB/T 18659-2002 GB/T 18659-2002 Abolished Measurement of fluid flow in closed conduits--Methods of evaluating the performance of electromagnetic flow-meters for liquids 封闭管道中导电液体流量的测量 电磁流量计的性能评定方法 Standard Type GBT ICS 17.120.10 CCS N12 Status 废止 Issue Date 2002-02-22 Implementation 2002-08-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A