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公开(公告)号：CA1016598A
公开(公告)日：1977-08-30
申请号：CA223595
申请日：1975-03-27
Applicant: IBM
Inventor： BECHTLE BASTIAN , SCHUNEMANN CLAUS , SKUDELNY GISBERT , SPRUTH WILHELM , WEIS HELMUT , ZIMMERMANN VOLKER
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