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公开(公告)号：US2491519A
公开(公告)日：1949-12-20
申请号：US59571645
申请日：1945-05-25
Applicant: STANDARD OIL DEV CO
Inventor： ROSE HAROLD J , PRICE LEWIS C
IPC: C08C1/14
CPC classification number: C08C1/14
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