Full -PDF- Frictional Ignition Of Gas By Mining Machines Read Download

Language: en
Pages: 26

Authors: Irving Hartmann

Categories: Mine explosions

Type: BOOK - Published: 1955 - Publisher:

Language: en
Pages: 36

Authors: Welby G. Courtney

Categories: Coal-cutting bits

Type: BOOK - Published: 1990 - Publisher:

Language: en
Pages: 518

Authors: Arthur W. Hall

Categories: Bituminous coal

Type: BOOK - Published: 1973 - Publisher:

Language: en
Pages: 34

Authors: John Edgar Kelley

Categories: Metals

Type: BOOK - Published: 1974 - Publisher:

Language: en
Pages: 572

Authors:

Categories: Mineral industries

Type: BOOK - Published: 1974 - Publisher:

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