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Flame-arresting limitations of flat joints and plain bearings in explosion-proof mine equipment

Published Year

• 1930-1939 (1) *

Subject

• Coal mines and mining--Equipment and supplies (1)
• Mine safety (1) *
• Mine safety--Equipment and supplies (1) *

Author

• Gleim, E. J. (1)
• James, R. S. (1)

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