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List of permissible mine equipment

List of permissible mining equipment

List of permissible mine equipment

Underground chute gates in metal mines

List of permissible mine equipment

List of permissible mine equipment

List of permissible mine equipment

List of permissible mine equipment approved during 1937

Published Year

• 1930-1939 (8) *

Subject

• Mines and mineral resources--Equipment and supplies (8) *
• Mining machinery (7)

Author

• Ilsley, L. C. (6)
• Jackson, Charles F. (1)
• Knaebel, John B. (1)

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