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公开(公告)号:US2480341A
公开(公告)日:1949-08-30
申请号:US79412047
申请日:1947-12-26
Applicant: STANDARD OIL CO
Inventor: SEELIG HERMAN S , JAMES ZISSON
公开(公告)号:US2480341A
公开(公告)日:1949-08-30
申请号:US79412047
申请日:1947-12-26
Applicant: STANDARD OIL CO
Inventor: SEELIG HERMAN S , JAMES ZISSON