Procédé perfectionné de lavage des minerais, applicable notamment à la séparation du charbon des schistes qui l'accompagnent,申请号FRD985499-传众专利搜索

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发明名称	Procédé perfectionné de lavage des minerais, applicable notamment à la séparation du charbon des schistes qui l'accompagnent
摘要
申请公布号	FR985499(A)	申请公布日期	1951.07.19
申请号	FRD985499	申请日期	1943.11.09
申请人	COMPAGNIE DES MINES D'ANZIN	发明人	PAUVRASSEAU ROBERT
分类号	B03B5/44	主分类号	B03B5/44
代理机构		代理人
主权项
地址

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