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公开(公告)号:CA504188A
公开(公告)日:1954-07-06
申请号:CA504188D
Applicant: STANDARD OIL DEV CO
Inventor: TONGBERG CARL O , REEVES EDWARD D , FULTON STEWART C
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公开(公告)号:CA470408A
公开(公告)日:1950-12-26
申请号:CA470408D
Applicant: STANDARD OIL DEV CO
Inventor: TONGBERG CARL O , TYSON CHARLES W
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公开(公告)号:CA462399A
公开(公告)日:1950-01-10
申请号:CA462399D
Applicant: STANDARD OIL DEV CO
Inventor: TONGBERG CARL O , LINN NORMAN F
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