Improvements in grinding machines of the ball or tube-mill type,申请号GB19300022595-传众专利搜索

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发明名称	Improvements in grinding machines of the ball or tube-mill type
摘要
申请公布号	GB353700(A)	申请公布日期	1931.07.30
申请号	GB19300022595	申请日期	1930.07.26
申请人	CLIFFORD OSGOOD BARTLEY	发明人
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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