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公开(公告)号:US2543838A
公开(公告)日:1951-03-06
申请号:US77210347
申请日:1947-09-04
Applicant: STANDARD OIL DEV CO
Inventor: ERNST JR HENRY
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公开(公告)号:US2645608A
公开(公告)日:1953-07-14
申请号:US17161250
申请日:1950-07-01
Applicant: STANDARD OIL DEV CO
Inventor: LINN NORMAN F , ERNST JR HENRY , SCOTT ARTHUR K
IPC: C10G21/10
CPC classification number: C10G21/10
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