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公开(公告)号：US3431432A
公开(公告)日：1969-03-04
申请号：US3431432D
申请日：1965-11-12
Applicant: CONS ELECTRONICS IND
Inventor： LOFSTRAND WARREN A , BRUGMANN JURGEN
CPC classification number: G04F3/06 , Y10T137/86437 , Y10T137/86477 , Y10T307/951
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