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公开(公告)号：DE2433494A1
公开(公告)日：1975-02-20
申请号：DE2433494
申请日：1974-07-12
Applicant: IBM
Inventor： COURTENS ERIC LEAN , GRISCHKOWSKY DANIEL RICHARD
IPC: H01S3/091 , H01S3/0915 , H01S3/094 , H01S3/22 , H01S3/14
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