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发明名称
PORTABLE ELECTRONIC BOOK
摘要
申请公布号
JPH02230360(A)
申请公布日期
1990.09.12
申请号
JP19890051106
申请日期
1989.03.02
申请人
NEC CORP
发明人
HARA YOSHINORI;TAMURA ATSUSHI
分类号
G06F15/02;G11B33/02
主分类号
G06F15/02
代理机构
代理人
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地址
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