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发明名称
Illuminating pen
摘要
申请公布号
GB0031398(D0)
申请公布日期
2001.02.07
申请号
GB20000031398
申请日期
2000.12.22
申请人
PENN, GRAHAM
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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