Tests on the ignition of natural gas-air mixtures by permissible explosives in the experimental coal mine

Additional Authors: Hartmann, Irving., Nagy, John., Greenwald, H. P., Howarth, H. C.
Year: 1949
Document Type: USBM
Issuing Agency: U.S. Govt. Print. Off., Bureau of Mines,
SUDOC: I 28.7:716
Series: Technical paper / Bureau of Mines ;
Report Number: 716
Subject: Coal mines and mining--Explosives
Links: https://hdl.handle.net/2027/mdp.39015078485961
https://hdl.handle.net/2027/mdp.39015086471037

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