A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
What "permissible" means in respiratory protection
Details concerning work of Bureau of Mines on equipment for giving respiratory protection against harmful atmospheres: Bureau's approval system; types of apparatus approved; performance requirements. Before N Y Safety Conference.
What "permissible" means in respiratory protection
Details concerning work of Bureau of Mines on equipment for giving respiratory protection against harmful atmospheres: Bureau's approval system; types of apparatus approved; performance requirements. Before N Y Safety Conference.
What "permissible" means in respiratory protection
Nat Safety News
Yant, W.P. (author)
National Safety News ; 28
1933
Article (Journal)
English
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