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发明名称
ELECTRONIC BLACKBOARD DEVICE WITH IMAGE ERASING MECHANISM
摘要
申请公布号
JPH05160940(A)
申请公布日期
1993.06.25
申请号
JP19910324601
申请日期
1991.12.09
申请人
OKI ELECTRIC IND CO LTD
发明人
OTAKI NOBORU;TADOKORO JOSHI;OGATA HIDEICHIRO;TOMIYAMA HITOSHI;ISHIKAWA OSAMU;MACHIDA YUJI
分类号
H04N1/00;H04N1/04
主分类号
H04N1/00
代理机构
代理人
主权项
地址
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