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发明名称
Road sign
摘要
申请公布号
PL66309(Y1)
申请公布日期
2013.01.31
申请号
PL20110120210U
申请日期
2011.07.20
申请人
MICHALCZAK ROMAN
发明人
MICHALCZAK ROMAN
分类号
E01F9/011
主分类号
E01F9/011
代理机构
代理人
主权项
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