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发明名称
Extraction process
摘要
申请公布号
US3222416(A)
申请公布日期
1965.12.07
申请号
US19610159973
申请日期
1961.12.18
申请人
SHELL OIL COMPANY
发明人
EVANS HARRY D.;YOUNG ELDRED E.
分类号
C10G21/00
主分类号
C10G21/00
代理机构
代理人
主权项
地址
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