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公开(公告)号：US1919628A
公开(公告)日：1933-07-25
申请号：US59340632
申请日：1932-02-16
Applicant: STANDARD OIL DEV CO
Inventor： FROLICH PER K , GILDERSLEEVE STANLEY P
IPC: C09K5/20
CPC classification number: C09K5/20
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