A technique for use of the impinger method

Author: Brown, Carlton E.
Additional Authors: Schrenk, H. H.
Year: 1938
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7026
Series: Information circular / Bureau of Mines ;
Report Number: 7026
Subject: Coal mines and mining--Dust control
Link: https://hdl.handle.net/2027/mdp.39015077575572

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