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发明名称
Electroscopic pen
摘要
申请公布号
USD475785(S1)
申请公布日期
2003.06.10
申请号
US20020162526F
申请日期
2002.06.18
申请人
CHANG CHUNG SHU
发明人
CHANG CHUNG SHU
分类号
主分类号
代理机构
代理人
主权项
地址
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