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公开(公告)号：US3476981A
公开(公告)日：1969-11-04
申请号：US3476981D
申请日：1967-10-10
Applicant: GEN MOTORS CORP
Inventor： BURTON ROBERT M , HARLAND GLEN E
CPC classification number: H01L23/4006 , H01L2023/4031 , H01L2023/405 , H01L2924/0002 , H01L2924/00
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