中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 2624.3-2006
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 3: Nozzles and Venturi nozzles 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3部分:喷嘴和文丘里喷嘴
Issued Date:2006-12-13
Implemented Date:2007-07-01
Issued by:
The Standardization Administration of the People's Republic of China