Improvements in ball and ring mills,申请号GB19320032447-传众专利搜索

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发明名称	Improvements in ball and ring mills
摘要
申请公布号	GB401888(A)	申请公布日期	1933.11.23
申请号	GB19320032447	申请日期	1932.11.16
申请人	BABCOCK & WILCOX LIMITED	发明人
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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