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Design and operation of the coal planer, Ruhr District, Germany

Pott-Broche coal-extraction process and plant of Ruhr©·ol G. m. b. H., Bottrop-Welheim, Germany

Published Year

• 1940-1949 (2) *

Subject

• Coal mines and mining--Germany--Ruhr (Region) (2) *
• Coal--Germany--Ruhr (Region) (1)
• Coal-mining machinery (1)
• Coke--Germany--Ruhr (Region) (1)

Author

• Buch, John W. (1)
• Lowry, H. H. (1)
• Rose, H. J. (1)

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