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发明名称
PORTABLE ELECTRONIC UNIT
摘要
申请公布号
EP0481771(A3)
申请公布日期
1993.06.09
申请号
EP19910309558
申请日期
1991.10.17
申请人
NIPPON STEEL CORPORATION
发明人
NAKAI, TOSHIO C/O NIPPON STEEL CORPORATION;NAGATA, SYOUICHI C/O NIPPON STEEL CORPORATION
分类号
G06F1/18;G06K7/00;G11B33/12;(IPC1-7):G06F15/02;G06F3/06
主分类号
G06F1/18
代理机构
代理人
主权项
地址
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