Screen unit for ball mills,申请号US19340746157-传众专利搜索

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发明名称	Screen unit for ball mills
摘要
申请公布号	US2124127(A)	申请公布日期	1938.07.19
申请号	US19340746157	申请日期	1934.09.29
申请人	JOHN SEROY	发明人	SEROY JOHN
分类号	B02C15/12	主分类号	B02C15/12
代理机构		代理人
主权项
地址

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