标 准 编 号： 1240-2010
简体中文标题：临界流文丘里喷嘴法气体流量标准装置校准规范
繁体中文标题：临界流文丘里喷嘴法气体流量标准装置校准规范
English Name：Calibration specification for gas flow calibration facility by means of critical flow venturi nozzles