Drainage flow control unit,申请号GB19790027070-传众专利搜索

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发明名称	Drainage flow control unit
摘要
申请公布号	GB2027470(A)	申请公布日期	1980.02.20
申请号	GB19790027070	申请日期	1979.08.03
申请人	NORTHANTS AFORM LTD	发明人
分类号	E03F5/10;E03F5/22;E03F11/00;(IPC1-7):E03F5/10	主分类号	E03F5/10
代理机构		代理人
主权项
地址

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