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公开(公告)号:US2643219A
公开(公告)日:1953-06-23
申请号:US10049249
申请日:1949-06-21
Applicant: STANDARD OIL DEV CO
Inventor: CARR JR JAMES W , GRIFFIN JR LINDSAY I , NICHOLSON EDWARD W S
公开(公告)号:US2643219A
公开(公告)日:1953-06-23
申请号:US10049249
申请日:1949-06-21
Applicant: STANDARD OIL DEV CO
Inventor: CARR JR JAMES W , GRIFFIN JR LINDSAY I , NICHOLSON EDWARD W S