Full -PDF- Frictional Ignition Of Methane By Continuous Mining Machines In Underground Coal Mines Read Download

Language: en
Pages: 20

Authors: Edward M. Kawenski

Categories: Coal-mining machinery

Type: BOOK - Published: 1979 - Publisher:

Language: en
Pages: 332

Authors:

Categories: Mine safety

Type: BOOK - Published: 1979 - Publisher:

Language: en
Pages: 20

Authors: United States. Mine Safety and Health Administration

Categories: Mine safety

Type: BOOK - Published: 1979 - Publisher:

Language: en
Pages: 24

Authors: L. Garner McDonald

Categories: Coal-cutting bits

Type: BOOK - Published: 1992 - Publisher:

Language: en
Pages: 20

Authors:

Categories: Mine safety

Type: BOOK - Published: 1979 - Publisher:

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