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公开(公告)号：US2066876A
公开(公告)日：1937-01-05
申请号：US73345634
申请日：1934-07-02
Applicant: RCA CORP
Inventor： CARPENTER GLENN W , LA RUE WILLIAM D
IPC: H05K7/06
CPC classification number: H05K7/06 , Y10T29/53174
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