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经营范围
发明名称
Raised Letters Block For Blind Man, And Its Manufacturing Method Thereof
摘要
申请公布号
KR100703237(B1)
申请公布日期
2007.04.06
申请号
KR20050060416
申请日期
2005.07.05
申请人
发明人
分类号
E01C5/00
主分类号
E01C5/00
代理机构
代理人
主权项
地址
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