Dry ore concentrator,申请号US19460673553-传众专利搜索

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发明名称	Dry ore concentrator
摘要
申请公布号	US2518043(A)	申请公布日期	1950.08.08
申请号	US19460673553	申请日期	1946.05.31
申请人	MATHEWS FRANK J	发明人	MATHEWS FRANK J.
分类号	B07B1/10	主分类号	B07B1/10
代理机构		代理人
主权项
地址

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