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发明名称
TRANSMETTEUR DE VITESSE POUR MEMOIRE A DISQUES
摘要
申请公布号
BE851841(A1)
申请公布日期
1977.08.25
申请号
BE19770175271
申请日期
1977.02.25
申请人
SIEMENS A.G.
发明人
分类号
G01P3/50;G11B5/55;H02K7/20;(IPC1-7):G11B/
主分类号
G01P3/50
代理机构
代理人
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地址
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