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公开(公告)号：US1867778A
公开(公告)日：1932-07-19
申请号：US25517828
申请日：1928-02-17
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： TERRY JOHN B , RODERICK CRAIG
IPC: C07C309/62
CPC classification number: C07C309/62
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