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公开(公告)号：US2928555A
公开(公告)日：1960-03-15
申请号：US40962854
申请日：1954-02-11
Applicant: INT STANDARD ELECTRIC CORP
Inventor： ARTHUR CHILDS PERCY , FREDERICK GOLD , GEORGE WALSH WILLIAM ARTHUR
IPC: H05K7/16
CPC classification number: H05K7/16
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