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公开(公告)号：US3181906A
公开(公告)日：1965-05-04
申请号：US11150761
申请日：1961-05-22
Applicant: ITT
Inventor： DE ROSE RALPH A , LEO JOSEPH M
IPC: H05K7/14
CPC classification number: H05K7/1415 , Y10T29/53943
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