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公开(公告)号：US2532495A
公开(公告)日：1950-12-05
申请号：US79164647
申请日：1947-12-13
Applicant: STANDARD OIL CO
Inventor： HERTWIG WALDEMAR R , BUSHNELL JAMES D
IPC: C10G21/08
CPC classification number: C10G21/08
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