Combined crushing and grinding body,申请号GB19470019285-传众专利搜索

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发明名称	Combined crushing and grinding body
摘要
申请公布号	GB634939(A)	申请公布日期	1950.03.29
申请号	GB19470019285	申请日期	1947.07.18
申请人	DAVID WESTON	发明人
分类号	B02C17/20	主分类号	B02C17/20
代理机构		代理人
主权项
地址

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