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 China 'GB/T 21272-2007 ' standard english version:

　

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 21272-2007

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
Issued Date:2007-12-20 　 Implemented Date:2008-06-01
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code GB/T 21272-2007
Standard Category China National Standards
GB Standard English Title Vapour vacuum pumps - Measurement of performance characteristics Measurement of back-streaming rate of pump fluid and the heating time
GB Standard Chinese Title 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
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English Translation Fee $15.00~$30.00   per  page
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