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发明名称
ELECTRONIC BLACKBOARD DEVICE
摘要
申请公布号
JPS6298969(A)
申请公布日期
1987.05.08
申请号
JP19850239670
申请日期
1985.10.25
申请人
SANYO ELECTRIC CO LTD;TOTTORI SANYO ELECTRIC CO LTD
发明人
MATSUSHITA AKINORI
分类号
H04N1/04;B43L1/04
主分类号
H04N1/04
代理机构
代理人
主权项
地址
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