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公开(公告)号：CH461639A
公开(公告)日：1968-08-31
申请号：CH1528464
申请日：1964-11-26
Applicant: IBM
Inventor： WILLIAM PAUL DUMKE , RALPH SIDNEY LEVITT , KURT WEISER
IPC: H01L21/00 , H01L31/153 , H01L33/00 , H05B33/14 , H05B33/16
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