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1.发明授权
公开(公告)号：US1718335A
公开(公告)日：1929-06-25
申请号：US65448623
申请日：1923-07-28
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： ELLSWORTH CUSHMAN ORVILLE , WILLIAM DOELL THEODORE
IPC: C10G33/04
CPC classification number: C10G33/04
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