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Lightweight aggregates for concrete

The National Safety Competitions of 1944-47

Published Year

• 1940-1949 (2) *

Subject

• Aggregates (Building materials) (1)
• Mine accidents--United States--Statistics (1)
• Mine safety (1)

Author

• Moyer, Forrest Theodore, (2) *
• Davis, J. I. (1)
• Elsner, E. K. (1)
• Schuster, Joseph H. (1)

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