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Last edited anonymously
August 19, 2008 | History

Jeffrey H. Welsh

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  • Cover of: Computerized, remote monitoring systems for underground coal mines: fires and explosive atmospheres

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  • Cover of: Suggested minimum performance specifications for underground coal mine environmental monitoring systems

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History

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August 19, 2008 Edited by an anonymous user fix author name
April 1, 2008 Created by an anonymous user initial import