Incombustible Required on Floor and on Rib-Roof Surfaces of Coal Mines to Prevent Propagation of Explosions.
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Contributions
- Hartmann, I. - Contributor
- Nagy, J. - Contributor
- Christofel, F. - Contributor
Publication
1954 - s.n, S.l
Language
English
Subjects
Series Statement
- Report of investigations (United States. Bureau of Mines) -- 5053
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