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公开(公告)号:CA272885A
公开(公告)日:1927-08-02
申请号:CA272885D
Applicant: STANDARD OIL CO
Inventor: ROGERS FRANCES M , WILSON ROBERT E
公开(公告)号:CA272885A
公开(公告)日:1927-08-02
申请号:CA272885D
Applicant: STANDARD OIL CO
Inventor: ROGERS FRANCES M , WILSON ROBERT E