Home / Standards / GB/T 17611-1998 GB/T 17611-1998 Active Measurement of fluid flow in closed conduits--Vocabulary and symbols 封闭管道中流体流量的测量 术语和符号 Standard Type GBT ICS 17.120.10 CCS N12 Status 现行 Issue Date 1998-12-11 Implementation 1999-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A