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公开(公告)号:US3020199A
公开(公告)日:1962-02-06
申请号:US76422158
申请日:1958-09-30
Applicant: STANDARD OIL CO
Inventor: WILLIAMS JACK A , HIRSCH ARTHUR G
公开(公告)号:US3020199A
公开(公告)日:1962-02-06
申请号:US76422158
申请日:1958-09-30
Applicant: STANDARD OIL CO
Inventor: WILLIAMS JACK A , HIRSCH ARTHUR G