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公开(公告)号:US3099608A
公开(公告)日:1963-07-30
申请号:US86299859
申请日:1959-12-30
Applicant: IBM
Inventor: RADOVSKY DAVID A , RONKESE BRUNO J
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公开(公告)号:US3138785A
公开(公告)日:1964-06-23
申请号:US81477259
申请日:1959-05-21
Applicant: IBM
Inventor: CHAPMAN EDWARD B , GREENE KENNETH F , RONKESE BRUNO J
CPC classification number: H05K1/165 , H05K3/146 , H05K3/403 , H05K3/4076 , H05K2201/086 , H05K2201/09063 , H05K2203/0723
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