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公开(公告)号：BR6789672D0
公开(公告)日：1973-05-15
申请号：BR18967267
申请日：1967-05-22
Applicant: STANDARD OIL CO
Inventor： STANDARD OIL CO
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公开(公告)号：BR6457936D0
公开(公告)日：1973-02-20
申请号：BR15793664
申请日：1964-03-30
Applicant: STANDARD OIL CO
Inventor： STANDARD OIL CO
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