The trap of drain pipe for blocking polluted air flow backward,申请号KR20090029210-传众专利搜索

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发明名称	The trap of drain pipe for blocking polluted air flow backward
摘要
申请公布号	KR101086675(B1)	申请公布日期	2011.11.29
申请号	KR20090029210	申请日期	2009.04.06
申请人		发明人
分类号	E03C1/28;E03F5/04	主分类号	E03C1/28
代理机构		代理人
主权项
地址

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