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Carbonizing Properties of Coals from Elk, Clarion, Jefferson, Clearfield, and Centre Counties, Pa
George W. Birge
David E. Wolfson
James H. Lynch
出版
U.S. Department of the Interior, Bureau of Mines
, 1963
URL
http://books.google.com.hk/books?id=MKP3TjNx9pQC&hl=&source=gbs_api
EBook
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