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公开(公告)号：US1944419A
公开(公告)日：1934-01-23
申请号：US36000029
申请日：1929-05-02
Applicant: STANDARD OIL DEV CO
Inventor： FROLICH PER K , BOECKELER BENJAMIN C
IPC: C07C5/333
CPC classification number: C07C5/3332 , C07C11/02
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