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公开(公告)号:US3401783A
公开(公告)日:1968-09-17
申请号:US51755165
申请日:1965-12-30
Applicant: IBM
Inventor: NORWOOD JAMES R , MORGAN JOSEPH S
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公开(公告)号:CA793114A
公开(公告)日:1968-08-27
申请号:CA793114D
Applicant: IBM
Inventor: MORGAN JOSEPH S , NORWOOD JAMES R
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