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发明名称
STOP DEVICE FOR COPYING SECTION IN ELECTRONIC BLACKBOARD
摘要
申请公布号
JPS63173699(A)
申请公布日期
1988.07.18
申请号
JP19870006858
申请日期
1987.01.13
申请人
CANON INC
发明人
KUWABARA EIJI
分类号
B43L1/04
主分类号
B43L1/04
代理机构
代理人
主权项
地址
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