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公开(公告)号：US2424158A
公开(公告)日：1947-07-15
申请号：US55502644
申请日：1944-09-20
Applicant: STANDARD OIL DEV CO
Inventor： FUQUA MACK C , LOVELL JOHN B
IPC: C10G21/12
CPC classification number: C10G21/12
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