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公开(公告)号：US2688110A
公开(公告)日：1954-08-31
申请号：US19829450
申请日：1950-11-30
Applicant: BELL TELEPHONE LABOR INC
Inventor： DOMALESKI JOSEPH V , GARTLAND EMMET L , KLEIMACK JOSEPH J
CPC classification number: H01L23/293 , H01L23/3135 , H01L2924/0002 , Y10T29/49172 , H01L2924/00
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