Pence for prevention of rock falling,申请号KR20090005891U-传众专利搜索

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发明名称	Pence for prevention of rock falling
摘要
申请公布号	KR200447352(Y1)	申请公布日期	2010.01.20
申请号	KR20090005891U	申请日期	2009.05.15
申请人		发明人
分类号	E01F7/00;E01F7/04	主分类号	E01F7/00
代理机构		代理人
主权项
地址

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