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 China 'NB/T 10556-2021 ' Industry standard english version:

 
NB
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

NB/T 10556-2021

Effect evaluation method of strip gas outburst prevention measures for pre-draining coal roadway with bedding drilling
顺层钻孔预抽煤巷条带瓦斯防突措施效果评价方法

Issued Date:2021/1/7   Implemented Date:2021/7/1
Issued by:   The Standardization Administration of the People's Republic of China
 

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GB Standard Code NB/T 10556-2021
Standard Category China Energy Industry Standards
GB Standard English Title Effect evaluation method of strip gas outburst prevention measures for pre-draining coal roadway with bedding drilling
GB Standard Chinese Title 顺层钻孔预抽煤巷条带瓦斯防突措施效果评价方法
Chinese Version Price $5.00  per 1 page
English Translation Fee $15.00~$30.00   per 1 page
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