China Respiratory protective devices
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China 'NF EN 12942-1998
' standard english version summary:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
NF EN 12942-1998
Respiratory protective devices. Power assisted filtering devices incorporating full face masks, half masks or quarter masks. Requirements, testing, marking. 呼吸保护装置.与全面罩,半面罩或1/4面 罩结合的带动力粒子过滤装置.要求,试验,标志
Issued Date:
Implemented Date:
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The Standardization Administration of the People's Republic of China
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"NF EN 12942-1998" standard !
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Respiratory protective devices. Power assisted filtering devices incorporating full face masks, half masks or quarter masks. Requirements, testing, marking.
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