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公开(公告)号：US3426426A
公开(公告)日：1969-02-11
申请号：US3426426D
申请日：1967-02-27
Applicant: DAVID E BORN
Inventor： BORN DAVID E
CPC classification number: H05K3/10 , H05K3/00 , H05K2201/09963 , H05K2203/0235 , Y10T29/49126 , Y10T29/49798 , Y10T29/4981
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