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 China 'GB/T 21056-2007 ' standard english version summary:

 

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 21056-2007

Specification for adjustable speed drive systems of electricity conservation with VF for fans and pumps
风机、泵类负载变频调速节电传动系统及其应用技术条件

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Issued by:   The Standardization Administration of the People's Republic of China
 
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GB Standard Code GB/T 21056-2007
Standard Category China National Standards
GB Standard English Title Specification for adjustable speed drive systems of electricity conservation with VF for fans and pumps
GB Standard Chinese Title 风机、泵类负载变频调速节电传动系统及其应用技术条件
Chinese Version Price $15 USD per 50 pages
English Translation Fee About $15  per 1 page (1,000 words)
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