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公开(公告)号:CA296041A
公开(公告)日:1929-12-24
申请号:CA296041D
Applicant: STANDARD OIL DEV CO
Inventor: RUSSELL ROBERT P , HASLAM ROBERT T
公开(公告)号:CA296041A
公开(公告)日:1929-12-24
申请号:CA296041D
Applicant: STANDARD OIL DEV CO
Inventor: RUSSELL ROBERT P , HASLAM ROBERT T