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公开(公告)号：US2688587A
公开(公告)日：1954-09-07
申请号：US21797651
申请日：1951-03-28
Applicant: STANDARD OIL DEV CO
Inventor： POKORNY OLDRICH S , SPEER GEORGE A
IPC: C10G73/06
CPC classification number: C10G73/06
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