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公开(公告)号:US3481862A
公开(公告)日:1969-12-02
申请号:US3481862D
申请日:1967-10-30
Applicant: SUN OIL CO
Inventor: DAVIS JOSEPH R JR , TICE JOHN D
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公开(公告)号:US3516926A
公开(公告)日:1970-06-23
申请号:US3516926D
申请日:1968-05-10
Applicant: SUN OIL CO
Inventor: DAVIS JOSEPH R JR , TICE JOHN D , BENNER ROBERT I
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