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经营范围
发明名称
BRAILLE DISPLAY ELEMENT
摘要
申请公布号
JPH10333550(A)
申请公布日期
1998.12.18
申请号
JP19970142713
申请日期
1997.05.30
申请人
NEC CORP
发明人
OKUBO TADASHI
分类号
G09B21/00;G09F9/37;(IPC1-7):G09B21/00
主分类号
G09B21/00
代理机构
代理人
主权项
地址
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