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公开(公告)号：DE1622291A1
公开(公告)日：1970-11-05
申请号：DE1622291
申请日：1968-01-15
Applicant: IBM
Inventor： MANSFIELD EVLETH EARL , ERNEST HERRICK JUN CLIFFORD
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公开(公告)号：DE1810992A1
公开(公告)日：1969-07-10
申请号：DE1810992
申请日：1968-11-26
Applicant: IBM
Inventor： MANSFIELD EVLETH EARL , ANDREW NEPELA DANIEL
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