China 'GB/T 19956.1-2005
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 19956.1-2005
Positive-displacement cacuum pumps-Measurement of performance characteristics Part1:Measurement of volume rate of flow(pumping speed) 容积真空泵性能测量方法 第1部分:体积流率(抽速)的测量
Issued Date:2005-09-19
Implemented Date:2006-04-01
Issued by:
The Standardization Administration of the People's Republic of China