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Development of a mechanical roof breaker for ground control in longwall operations under massive roof / by Sathit Tandanand.

By: Tandanand, Sathit.
Contributor(s): United States. Bureau of Mines.
Material type: materialTypeLabelBookSeries: United States Bureau of Mines. Report of investigations 8416. Publisher: Washington : Dept. of the Interior, Bureau of Mines, 1980Description: 20 p. : ill., tables ; 27 cm.Report number: USBM ri-8416Subject(s): Ground control (Mining) | Rock mechanics
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Bibliography: p. 17-18.

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