Prevention device for pipe winter-sowing,申请号KR20080013868U-传众专利搜索

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发明名称	Prevention device for pipe winter-sowing
摘要
申请公布号	KR20090008402(U)	申请公布日期	2009.08.20
申请号	KR20080013868U	申请日期	2008.10.17
申请人		发明人
分类号	E03B7/10;F16L55/00	主分类号	E03B7/10
代理机构		代理人
主权项
地址

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