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Underground Coal Conversion Program
United States. Division of Oil, Gas, Shale, and In Situ Technology
出版
Department of Energy, Assistant Secretary for Energy Technology, Division of Oil, Gas, Shale, and In Situ Technology
, 1978
URL
http://books.google.com.hk/books?id=7yQFdrWL7tMC&hl=&source=gbs_api
EBook
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