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发明名称
PORTABLE TYPE ELECTRONIC BOOK
摘要
申请公布号
JPH02309390(A)
申请公布日期
1990.12.25
申请号
JP19890130240
申请日期
1989.05.25
申请人
NEC CORP
发明人
OYAMADA TAKASHI
分类号
G09F9/00;G06F17/30
主分类号
G09F9/00
代理机构
代理人
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