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4 results returnedPermissible explosives tested prior to March 1, 1913
Permissible explosives tested prior to January 1, 1914
Picric acid as a blasting agent
Some suggestions on care in the use and handling of explosives in coal mines
Published Year
Subject
- Coal mines and mining--Explosives (4) *
- Explosives (4) *
- Blasting (1)
- Explosives--Safety measures (1)
- Phenolic acids (1)
- Phenols (1)
Author
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