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公开(公告)号:US3375689A
公开(公告)日:1968-04-02
申请号:US39552564
申请日:1964-09-10
Applicant: JOHN HUMPHREY MILLAR
Inventor: HUMPHREY MILLAR JOHN
公开(公告)号:US3375689A
公开(公告)日:1968-04-02
申请号:US39552564
申请日:1964-09-10
Applicant: JOHN HUMPHREY MILLAR
Inventor: HUMPHREY MILLAR JOHN