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公开(公告)号:US2697052A
公开(公告)日:1954-12-14
申请号:US37009253
申请日:1953-07-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: DACEY GEORGE C , FOY PHILIP W
CPC classification number: H01L29/00 , H01L21/00 , H01L21/18 , H01L23/10 , H01L24/00 , H01L29/06 , H01L2924/01322 , H01L2924/1306 , Y10T428/12528 , H01L2924/00