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经营范围
发明名称
Petroleum refining
摘要
申请公布号
US2285190(A)
申请公布日期
1942.06.02
申请号
US19400319437
申请日期
1940.02.17
申请人
RICHFIELD OIL CORPORATION
发明人
CRAIG WALLACE A.;RICH PAUL C.
分类号
C10G31/08;C10L1/188
主分类号
C10G31/08
代理机构
代理人
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地址
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