DRAIN MANHOLE FOR PREVENTING A BAD SMELL AND BACKWARD FLOW,申请号KR19990022819U-传众专利搜索

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发明名称	DRAIN MANHOLE FOR PREVENTING A BAD SMELL AND BACKWARD FLOW
摘要
申请公布号	KR200176500(Y1)	申请公布日期	2000.04.15
申请号	KR19990022819U	申请日期	1999.10.22
申请人	KIM, JIN OK	发明人	KIM, JIN OK
分类号	E03F5/04;(IPC1-7):E03F5/04	主分类号	E03F5/04
代理机构		代理人
主权项
地址

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