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公开(公告)号:CA371843A
公开(公告)日:1938-02-08
申请号:CA371843D
Applicant: STANDARD OIL DEV CO
Inventor: BLAU LUDWIG W , STATHAM LOUIS
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公开(公告)号:CA397855A
公开(公告)日:1941-07-08
申请号:CA397855D
Applicant: STANDARD OIL DEV CO
Inventor: BLAU LUDWIG W , STATHAM LOUIS
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公开(公告)号:CA397854A
公开(公告)日:1941-07-08
申请号:CA397854D
Applicant: STANDARD OIL DEV CO
Inventor: BLAU LUDWIG W , STATHAM LOUIS
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公开(公告)号:CA397853A
公开(公告)日:1941-07-08
申请号:CA397853D
Applicant: STANDARD OIL DEV CO
Inventor: STATHAM LOUIS
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