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公开(公告)号:DE2421219A1
公开(公告)日:1975-11-06
申请号:DE2421219
申请日:1974-05-02
Applicant: IBM DEUTSCHLAND
Inventor: SPRUTH WILHELM DR ING , SCHUENEMANN CLAUS DR ING , SKUDELNY GISELBERT DR RER NAT , ZIMMERMANN VOLKER , WEIS HELMUT , BECHTLE BASTIAN
IPC: H02P8/00 , H02P8/14