Approval of newly developed self-contained breathing apparatus, instructions in its care and use, and training procedure

Author: Grove, G. W.
Additional Authors: Quenon, E. E.
Year: 1947
Document Type: USBI
Issuing Agency: Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7413
Series: Information circular / United States. Bureau of Mines ;
Report Number: 7413
Subject: Mine safety--Equipment and supplies
Link: https://hdl.handle.net/2027/mdp.39015077577388

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