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发明名称
Dispositif mémoratif à plaques magnétiques.
摘要
申请公布号
BE607464(A1)
申请公布日期
1961.12.18
申请号
BE19610607464
申请日期
1961.08.23
申请人
RADIO CORPORATION OF AMERICA
发明人
W.G. RUMBLE;W.V. DIX
分类号
(IPC1-7):G06B
主分类号
(IPC1-7):G06B
代理机构
代理人
主权项
地址
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