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公开(公告)号：US3306830A
公开(公告)日：1967-02-28
申请号：US28755263
申请日：1963-06-13
Applicant: BELL TELEPHONE LABOR INC
Inventor： GUSTAV BITTRICH , EHRHARDT ROBERT A
CPC classification number: H05K3/426 , C23C18/1605 , C23C18/1653 , C23C18/1689 , C23C18/36 , H05K3/062 , H05K3/108 , H05K3/181 , H05K2201/0344 , H05K2201/0347 , H05K2203/0723
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