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经营范围
发明名称
An optical pen having a light path coaxial with its pen tip
摘要
申请公布号
GB2422043(B)
申请公布日期
2007.03.21
申请号
GB20050005650
申请日期
2005.03.18
申请人
AIPTEK INTERNATIONAL INC
发明人
SHUI CHUAN CHIANG;SHIH YUAN CHANG
分类号
G06K9/22
主分类号
G06K9/22
代理机构
代理人
主权项
地址
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