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发明名称
Whiteboard erasers
摘要
申请公布号
GB9613848(D0)
申请公布日期
1996.09.04
申请号
GB19960013848
申请日期
1996.07.02
申请人
BELL, GEORGE C
发明人
分类号
B43L21/00
主分类号
B43L21/00
代理机构
代理人
主权项
地址
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