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公开(公告)号：DE1935258A1
公开(公告)日：1971-01-14
申请号：DE1935258
申请日：1969-07-11
Applicant: IBM DEUTSCHLAND
Inventor： HAJDU JOHANN , KNAUFT GUENTER , REICHL LEOPOLD , EDWIN VOGT DIPL-ING DR , PAINKE HELMUT
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