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公开(公告)号：US2895020A
公开(公告)日：1959-07-14
申请号：US41144354
申请日：1954-02-19
Applicant: RCA CORP
Inventor： KSIAZEK FRANK T
CPC classification number: H05K9/0064 , H05K1/165 , H05K1/182 , H05K2201/09263 , H05K2201/09418 , H05K2201/1003
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公开(公告)号：US2790896A
公开(公告)日：1957-04-30
申请号：US51951155
申请日：1955-07-01
Applicant: RCA CORP
Inventor： CLARK EDWIN L , KSIAZEK FRANK T
IPC: H03D1/10
CPC classification number: H03D1/10
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