Air pressure type erectable weir preventing falling to reverse direction,申请号KR20080039297-传众专利搜索

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发明名称	Air pressure type erectable weir preventing falling to reverse direction
摘要
申请公布号	KR100994552(B1)	申请公布日期	2010.11.16
申请号	KR20080039297	申请日期	2008.04.28
申请人		发明人
分类号	E02B7/20;E02B7/40	主分类号	E02B7/20
代理机构		代理人
主权项
地址

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