Home / Standards / GB/T 2624.4-2006 GB/T 2624.4-2006 Active Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 4: Venturi tubes 用安装在圆形截面管道中的差压装置测量满管流体流量 第4部分：文丘里管 Standard Type GBT ICS 17.120.10 CCS N12 Status 现行 Issue Date 2006-12-13 Implementation 2007-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会