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公开(公告)号:CA473002A
公开(公告)日:1951-04-17
申请号:CA473002D
Applicant: STANDARD OIL DEV CO
Inventor: GREEN ARTHUR DONALD
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公开(公告)号:CA463730A
公开(公告)日:1950-03-14
申请号:CA463730D
Applicant: STANDARD OIL DEV CO
Inventor: GREEN ARTHUR DONALD , OHSOL ERNEST O
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公开(公告)号:CA468561A
公开(公告)日:1950-10-03
申请号:CA468561D
Applicant: STANDARD OIL DEV CO
Inventor: GREEN ARTHUR DONALD
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公开(公告)号:CA463236A
公开(公告)日:1950-02-14
申请号:CA463236D
Applicant: STANDARD OIL DEV CO
Inventor: GREEN ARTHUR DONALD
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公开(公告)号:CA458116A
公开(公告)日:1949-07-12
申请号:CA458116D
Applicant: STANDARD OIL DEV CO
Inventor: GREEN ARTHUR DONALD
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