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Strength characteristics and air leakage determinations for alternative mine seal designs
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Published Year
1990-1999 (1)
Subject
Cement composites--Testing (1)
Coal mines and mining (1)
Concrete stoppings (Mining)--Airtightness--Testing (1)
Foamed materials--Testing (1) *
Strength of materials (1)
Wood--Testing (1)
Author
Greninger, N. B. (1) *
Lipscomb, J. R. (1)
Stephan, C. R. (1)
Weiss, E. S. (1)
