Improvements in desludging sludge drying beds,申请号GB19510022228-传众专利搜索

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发明名称	Improvements in desludging sludge drying beds
摘要
申请公布号	GB723651(A)	申请公布日期	1955.02.09
申请号	GB19510022228	申请日期	1951.09.22
申请人	CYRIL JOHN HARTLEY	发明人
分类号	C02F11/16	主分类号	C02F11/16
代理机构		代理人
主权项
地址

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