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Title:
Fractionation of crude petroleum oil
United States Patent 2776250
Inventors:
Capell, Robert G.
Karr Jr., Clarence
Weatherford Jr., William D.
Publication Date:
01/01/1957
Assignee:
GULF RESEARCH DEVELOPMENT CO
Primary Class:
Other Classes:
210/656, 568/917, 585/825
International Classes:
C07C7/12; C10G25/00
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