
Measurement of gas flow in closed conduits - Turbine meters
出版:International Organization for Standardization

专家解读视频
GB/T 18940-2003 - Identical
KS B ISO 9951:2014 - Identical
KS B ISO 9951:2004 - Identical
NBR ISO 9951:2002 - Identical
BS 7834:1995 - Equivalent