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公开(公告)号：US2822238A
公开(公告)日：1958-02-04
申请号：US47925154
申请日：1954-12-31
Applicant: STANDARD OIL CO
Inventor： CROFT RICHARD D , CHAGRIN FALLS , FRANKLIN VEATCH
IPC: C10L1/00
CPC classification number: C10L1/006
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