A VALVE FOR FLOWING BACKWARD USING FLOATING BALL,申请号KR20040037074U-传众专利搜索

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发明名称	A VALVE FOR FLOWING BACKWARD USING FLOATING BALL
摘要
申请公布号	KR200380589(Y1)	申请公布日期	2005.03.31
申请号	KR20040037074U	申请日期	2004.12.28
申请人		发明人
分类号	F16K31/18;(IPC1-7):F16K31/18	主分类号	F16K31/18
代理机构		代理人
主权项
地址

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