Improvements relating to methods of washing coal and to coal-washing jigs,申请号GB19430021547-传众专利搜索

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发明名称	Improvements relating to methods of washing coal and to coal-washing jigs
摘要
申请公布号	GB574527(A)	申请公布日期	1946.01.09
申请号	GB19430021547	申请日期	1943.12.23
申请人	RONALD MERVYN NORTON;GEORGE BERTRAM NORTON	发明人
分类号	B03B5/24	主分类号	B03B5/24
代理机构		代理人
主权项
地址

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