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发明名称
ELECTRONIC BLACKBOARD
摘要
申请公布号
JPH10193872(A)
申请公布日期
1998.07.28
申请号
JP19970004555
申请日期
1997.01.14
申请人
TEC CORP
发明人
FUJITA KENJI
分类号
B43L1/04;(IPC1-7):B43L1/04
主分类号
B43L1/04
代理机构
代理人
主权项
地址
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