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公开(公告)号:US2305355A
公开(公告)日:1942-12-15
申请号:US28835039
申请日:1939-08-04
Applicant: RCA CORP
Inventor: HENRICUS LIPS EDUARD MARIA , NATHANAEL HIENSCH JOHANNES , ALEXANDRE HOROWITZ , HENRI BLOK , JOHANNES BROUWER PIETER HENDRI
CPC classification number: H05K3/4092 , H05K1/162 , H05K3/32 , H05K3/3447 , H05K3/4007 , H05K2201/0367 , H05K2201/09036 , H05K2201/09809 , H05K2201/10196 , H05K2203/128