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

Published Year

• 1940-1949 (1)

Subject

• Coal mines and mining--Explosives (1) *

Author

• Greenwald, H. P. (1)
• Hartmann, Irving. (1)
• Howarth, H. C. (1) *
• Nagy, John. (1)

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