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"Coal gasification" » "Coal classification" (Expand Search), "Coal justification" (Expand Search), "Coal purification" (Expand Search)
"Coal gasification" » "Coal classification" (Expand Search), "Coal justification" (Expand Search), "Coal purification" (Expand Search)
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1Evolution of the regulation of high cost gas supplies : prepared for the U.S. Department of Energy /by Hederman, William F., 1949-Subjects: “...Coal gasification United States....”
Published 1980
Book