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经营范围
发明名称
ELECTRONIC BLACKBOARD DEVICE
摘要
申请公布号
JPS62149500(A)
申请公布日期
1987.07.03
申请号
JP19850291643
申请日期
1985.12.24
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
JINBO KENJI;UEHIRA KIYOTAKA
分类号
H04N1/04;B43L1/04;H04N1/00;H04N1/12
主分类号
H04N1/04
代理机构
代理人
主权项
地址
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