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公开(公告)号:CA278202A
公开(公告)日:1928-02-28
申请号:CA278202D
Applicant: STANDARD OIL DEV CO
Inventor: HOWARD FRANK A
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公开(公告)号:CA278201A
公开(公告)日:1928-02-28
申请号:CA278201D
Applicant: STANDARD OIL DEV CO
Inventor: LOOMIS NATHANIEL E , HOWARD FRANK A , TOMLINSON ALBERT H
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公开(公告)号:CA278033A
公开(公告)日:1928-02-21
申请号:CA278033D
Applicant: STANDARD OIL DEV CO
Inventor: HOWARD FRANK A
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