Improvements in and relating to the separation of raw coal,申请号GB19480007710-传众专利搜索

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发明名称	Improvements in and relating to the separation of raw coal
摘要
申请公布号	GB655957(A)	申请公布日期	1951.08.08
申请号	GB19480007710	申请日期	1948.03.13
申请人	DE DIRECTIE VAN DE STAATSMIJNEN IN LIMBURG	发明人
分类号	B03B9/00;B04C9/00	主分类号	B03B9/00
代理机构		代理人
主权项
地址

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