The braille brick for the blind and manufacturing method,申请号KR20060028326-传众专利搜索

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发明名称	The braille brick for the blind and manufacturing method
摘要
申请公布号	KR100970857(B1)	申请公布日期	2010.07.16
申请号	KR20060028326	申请日期	2006.03.29
申请人		发明人
分类号	E01C5/00;B29C45/00	主分类号	E01C5/00
代理机构		代理人
主权项
地址

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