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公开(公告)号：US2434582A
公开(公告)日：1948-01-13
申请号：US57046744
申请日：1944-12-29
Applicant: STANDARD OIL DEV CO
Inventor： PFENNIG REUBEN F , GERTZ MELVIN H
IPC: C08F210/12
CPC classification number: C08F210/12 , C08F4/14
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