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发明名称
ELECTRONIC BLACKBOARD
摘要
申请公布号
JPS63312197(A)
申请公布日期
1988.12.20
申请号
JP19870147417
申请日期
1987.06.12
申请人
BROTHER IND LTD
发明人
TAKEMOTO TAKATOSHI
分类号
B43L1/04;H04N1/00
主分类号
B43L1/04
代理机构
代理人
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