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公开(公告)号:CA504028A
公开(公告)日:1954-06-29
申请号:CA504028D
Applicant: STANDARD OIL DEV CO
Inventor: CYPHERS ELMER B , OSBORNE LOUIS J JR
公开(公告)号:CA504028A
公开(公告)日:1954-06-29
申请号:CA504028D
Applicant: STANDARD OIL DEV CO
Inventor: CYPHERS ELMER B , OSBORNE LOUIS J JR