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Fuel for permissible flame safety lamps :(a revision of RI 3389)
Some studies on emergency mine communications
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Published Year
1940-1949 (2) *
Subject
Fuel (1)
Mine communication systems (1)
Mine safety--Equipment and supplies (1)
Radio in mining (1)
Safety lamps (1)
Author
Coggeshall, E. J. (2) *
Felegy, E. W. (1)
Harrison, L. H. (1)
Hooker, A. B. (1)
