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Report of Research and Technologic Work on Coal and Related Investigations
R. L. BrownE. P. Carman
其他書名
July 1, 1952 to December 31, 1953
出版U.S. Department of the Interior, Bureau of Mines, 1954
URLhttp://books.google.com.hk/books?id=ZyhLiYIo0cQC&hl=&source=gbs_api
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