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公开(公告)号：US2690418A
公开(公告)日：1954-09-28
申请号：US27991452
申请日：1952-04-01
Applicant: STANDARD OIL DEV CO
Inventor： YOUNG DAVID W , FRANKLIN HENRY J
IPC: C10C3/02
CPC classification number: C10C3/023
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