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GB/T 31253-2014 standards english version


NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 31253-2014

 

Natural gas―Validation for gaseous reference materials―Direct measurement of calorific value and density

 
Issued Date:  

Implemented Date:

Issued by:   The Standardization Administration of the People's Republic of China
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GB Standard Code GB/T 31253-2014
Standard Category China National Standards
GB Standard English Title Natural gas―Validation for gaseous reference materials―Direct measurement of calorific value and density
GB Standard Chinese Title 天然气 气体标准物质的验证 发热量和密度直接测量法
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