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Compressed air for operating modern coal-mining equipment

Permissible electrically operated air compressors

Hydraulic air compressors

Published Year

• 1930-1939 (2)
• 1950-1959 (1)

Subject

• Air-compressors (3) *
• Mining machinery (1)

Author

• Brunot, H. B. (1)
• Currie, R. D. (1)
• Gleim, E. J. (1)
• Ilsley, L. C. (1)
• Schulze, Leroy E. (1)

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