-
公开(公告)号:US3446657A
公开(公告)日:1969-05-27
申请号:US3446657D
申请日:1964-06-18
Applicant: IBM
Inventor: DUNLAP WILLIAM N JR , KORETZKY HERMAN , MCCABE HARRY D
-
公开(公告)号:CA788890A
公开(公告)日:1968-07-02
申请号:CA788890D
Applicant: IBM
Inventor: DUNLAP WILLIAM N JR , MCCABE HARRY D
-