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公开(公告)号:US2050428A
公开(公告)日:1936-08-11
申请号:US57272031
申请日:1931-11-02
Applicant: STANDARD OIL CO
Inventor: DIGGS STERLING H , BEARD ROBERT E , PAGE JR JAMES M
IPC: C10G73/42
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公开(公告)号:US1997566A
公开(公告)日:1935-04-16
申请号:US61712832
申请日:1932-06-14
Applicant: STANDARD OIL CO
Inventor: BEARD ROBERT E , ROBERTS EDWARD N
IPC: C07C303/42
CPC classification number: C07C303/44 , C07C309/04
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