GB/T 21272

Active

Vapour vacuum pumps - Measurement of performance characteristics Measurement of back-streaming rate of pump fluid and the heating time

蒸汽流真空泵性能测量方法 泵液返流率和加热时间的测量

Standard Type
GBT
ICS
23.160
CCS
J78
Status
现行
Issue Date
2007-12-20
Implementation
2008-06-01
Responsible Dept
中国机械工业联合会
Drafting Unit
中国机械工业联合会