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公开(公告)号:US2906795A
公开(公告)日:1959-09-29
申请号:US67543757
申请日:1957-07-31
Applicant: TEXACO INC
Inventor: BALLARD WILEY P , GIBSON JAMES R , FORT JR BEN F
公开(公告)号:US2906795A
公开(公告)日:1959-09-29
申请号:US67543757
申请日:1957-07-31
Applicant: TEXACO INC
Inventor: BALLARD WILEY P , GIBSON JAMES R , FORT JR BEN F