MAINTENANCE AND RESTORATION OF THE FUNCTION OF A TRICKLING-PERCOLATING-FILTER,申请号GB19900004686-传众专利搜索

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发明名称	MAINTENANCE AND RESTORATION OF THE FUNCTION OF A TRICKLING-PERCOLATING-FILTER
摘要
申请公布号	GB9004686(D0)	申请公布日期	1990.04.25
申请号	GB19900004686	申请日期	1990.03.02
申请人	ABT APPLIED BIOTECHNOLOGIES LIMITED	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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