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公开(公告)号:CA496175A
公开(公告)日:1953-09-15
申请号:CA496175D
Applicant: STANDARD OIL DEV CO
Inventor: HEIGL JOHN J , BLACK JAMES F , DUDENBOSTEL BERNARD F JR
公开(公告)号:CA496175A
公开(公告)日:1953-09-15
申请号:CA496175D
Applicant: STANDARD OIL DEV CO
Inventor: HEIGL JOHN J , BLACK JAMES F , DUDENBOSTEL BERNARD F JR