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

Thermal extraction of oil shale. [Use of heavy shale-oil fraction and spent shale as solvent and heat sources for retorting under pressure at 700 to 800/sup 0/F]

Patent ·
OSTI ID:5050154
None
Assignee:
24 Jun 1952
Patent Number(s):
US 2601257
OSTI ID:
5050154
Country of Publication:
United States
Language:
English