Ball mill lining,申请号US19310582236-传众专利搜索

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发明名称	Ball mill lining
摘要
申请公布号	US1921672(A)	申请公布日期	1933.08.08
申请号	US19310582236	申请日期	1931.12.21
申请人	THE B. F. GOODRICH COMPANY	发明人	HAUSHALTER FRED L.
分类号	B02C17/22	主分类号	B02C17/22
代理机构		代理人
主权项
地址

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