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公开(公告)号：US2341389A
公开(公告)日：1944-02-08
申请号：US36495040
申请日：1940-11-09
Applicant: STANDARD OIL DEV CO
Inventor： RUPP WALTER H , HANKER JR FRED C
IPC: C10G7/02
CPC classification number: C10G7/02
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