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U.S. Department of Energy
Office of Scientific and Technical Information

Stepwise extraction of oil-bearing shale. [Oil obtained from shale or tars extracted with mixture of phenol and thinner]

Patent ·
OSTI ID:5194497
None
Assignee:
Deutsche Erdoel A.-G.
Patent Number(s):
DE 733302
OSTI ID:
5194497
Country of Publication:
United States
Language:
English