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公开(公告)号:CA447470A
公开(公告)日:1948-03-23
申请号:CA447470D
Applicant: STANDARD OIL DEV CO
Inventor: LOBDELL PRENTISS
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公开(公告)号:CA433170A
公开(公告)日:1946-02-19
申请号:CA433170D
Applicant: STANDARD OIL DEV CO
Inventor: LOBDELL PRENTISS
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公开(公告)号:CA449690A
公开(公告)日:1948-07-06
申请号:CA449690D
Applicant: STANDARD OIL DEV CO
Inventor: LOBDELL PRENTISS , MATEER GEORGE L
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公开(公告)号:CA438947A
公开(公告)日:1946-12-31
申请号:CA438947D
Applicant: STANDARD OIL DEV CO
Inventor: LOBDELL PRENTISS
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