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经营范围
发明名称
Portable data processing apparatus having a graphical interface
摘要
申请公布号
EP0443713(B1)
申请公布日期
1999.03.17
申请号
EP19910300336
申请日期
1991.01.17
申请人
SONY CORPORATION
发明人
HIRAYAMA, TOMOSHI
分类号
G06F15/02;G06F3/033;G06F3/041;G06F3/048;G06F17/30;(IPC1-7):G06F3/033
主分类号
G06F15/02
代理机构
代理人
主权项
地址
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