A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
How to test mechanical-filter types of respirators
Abstract of paper indexed in Engineering Index 1939 p 1012, from U S Bur Mines -- Information Cir n 7086 Sept 1939. (Cement Mill Sec)
How to test mechanical-filter types of respirators
Abstract of paper indexed in Engineering Index 1939 p 1012, from U S Bur Mines -- Information Cir n 7086 Sept 1939. (Cement Mill Sec)
How to test mechanical-filter types of respirators
Concrete
Schrenk, H.H. (author)
Concrete ; 48
1940
2 pages
Article (Journal)
English
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Mechanical-filter type of respirators
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