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公开(公告)号：US3307087A
公开(公告)日：1967-02-28
申请号：US24915663
申请日：1963-01-03
Applicant: MACHLETT LAB INC
Inventor： ROGERS THOMAS H , KAPELEWSKI FRANK E
IPC: H01L25/07
CPC classification number: H01L25/074 , H01L2924/0002 , H01L2924/00
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