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Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941

Annual Report of Research and Technologic Work on Coal: Fiscal Year 1942

Annual Report of Research and Technologic Work on Coal: Fiscal Year 1943

Coal Carbonization: Carbonizing Properties of Medium-Volatile Coals of Different Types

Annual Report of Research and Technologic Work on Coal: Fiscal Year 1946

Published Year

1940-1949 (5) *

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