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发明名称
COMPOSITE MAGNETIC RECORDING DISK
摘要
申请公布号
EP0054640(B1)
申请公布日期
1985.06.12
申请号
EP19810108129
申请日期
1981.10.09
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
KNOOP, JACK PETRUS;WEISS, JOEL RICHARD
分类号
C08L71/12;G11B5/82;G11B5/73;(IPC1-7):G11B5/82;G11B5/84
主分类号
C08L71/12
代理机构
代理人
主权项
地址
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