A FLAP (VALVE) FOR THE PREVENTION OF ODOR BACK-FLOWIN SEWERAGE PIPES,申请号KR20000021306U-传众专利搜索

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发明名称	A FLAP (VALVE) FOR THE PREVENTION OF ODOR BACK-FLOWIN SEWERAGE PIPES
摘要
申请公布号	KR200208323(Y1)	申请公布日期	2000.12.15
申请号	KR20000021306U	申请日期	2000.07.26
申请人	CHEIL ENGINEERING CO., LTD.	发明人	YOUM, BYUNG DAE;LEE, HEE SUNG
分类号	E03F3/04;(IPC1-7):E03F3/04	主分类号	E03F3/04
代理机构		代理人
主权项
地址

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