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公开(公告)号：US3113248A
公开(公告)日：1963-12-03
申请号：US4262860
申请日：1960-07-13
Applicant: SPERRY RAND CORP
Inventor： JOSEPH FRIEDMAN
CPC classification number: H05K1/189 , H05K1/0289 , H05K1/141 , H05K1/147 , H05K3/3447 , H05K3/361 , H05K2201/056 , H05K2201/09418 , H05K2201/10515 , H05K2201/10704 , H05K2203/1311
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