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经营范围
发明名称
Road crossing
摘要
申请公布号
PL197186(B1)
申请公布日期
2008.03.31
申请号
PL19980341660
申请日期
1998.11.17
申请人
LEE JANG HEE
发明人
LEE JANG HEE
分类号
E01C1/04
主分类号
E01C1/04
代理机构
代理人
主权项
地址
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