Improvements in processes for treating coal,申请号GB19400009341-传众专利搜索

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发明名称	Improvements in processes for treating coal
摘要
申请公布号	GB538736(A)	申请公布日期	1941.08.14
申请号	GB19400009341	申请日期	1940.05.28
申请人	CHARLES EDWARD MARSHALL;HAUNCHWOOD COLLIERIES 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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