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发明名称
Addressing business card
摘要
The present invention provides a business card with a longitude-and-latitude information, by which a user can easily finds a location of the business card's owner.
申请公布号
US2006087426(A1)
申请公布日期
2006.04.27
申请号
US20050228226
申请日期
2005.09.19
申请人
LIANG YU-FENG
发明人
LIANG YU-FENG
分类号
H04Q7/00;B42D15/02;H04B1/06
主分类号
H04Q7/00
代理机构
代理人
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