COAL WASHING APPARATUS,申请号CAD398439-传众专利搜索

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发明名称	COAL WASHING APPARATUS
摘要
申请公布号	CA398439(A)	申请公布日期	1941.08.05
申请号	CAD398439	申请日期
申请人	E.I. DU PONT DE NEMOURS AND COMPANY	发明人	WILLING BAYARD FOULKE;HENRY LLOYD ALEXANDER
分类号		主分类号
代理机构		代理人
主权项
地址

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