Code for security sy standards english version

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB 40881-2021

Code for security system design of low concentration gas pipeline transportation of coal mine

Issued Date:

Implemented Date:

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The Standardization Administration of the People's Republic of China

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GB Standard Code	GB 40881-2021
Standard Category	China National Standards
GB Standard English Title	Code for security system design of low concentration gas pipeline transportation of coal mine
GB Standard Chinese Title	煤矿低浓度瓦斯管道输送安全保障系统设计规范
Chinese Version Price	$5.00 per page
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