SLOW SAND FILTERS,申请号GB19870023221-传众专利搜索

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发明名称	SLOW SAND FILTERS
摘要
申请公布号	GB8723221(D0)	申请公布日期	1987.11.04
申请号	GB19870023221	申请日期	1987.10.02
申请人	THAMES WATER AUTHORITY	发明人
分类号	B01D24/20	主分类号	B01D24/20
代理机构		代理人
主权项
地址

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