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公开(公告)号:CA471412A
公开(公告)日:1951-02-06
申请号:CA471412D
Applicant: STANDARD OIL DEV CO
Inventor: ROGERS DILWORTH T , FELDHUSEN HERMAN JR
公开(公告)号:CA471412A
公开(公告)日:1951-02-06
申请号:CA471412D
Applicant: STANDARD OIL DEV CO
Inventor: ROGERS DILWORTH T , FELDHUSEN HERMAN JR