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Permissible mine equipment approved by the Bureau of Mines during 1959-60 :with appended lists of manufacturers of flame-resistant trailing cables and fire-resistant conveyor belts and holders of permits

Published Year

• 1960-1969 (1) *

Subject

• Mine safety (1)
• Mining machinery (1)

Author

• Kearns, R. A. (1) *
• Lee, F. R. (1)

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