Stone polishing machine,申请号US19360064431-传众专利搜索

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发明名称	Stone polishing machine
摘要
申请公布号	US2073400(A)	申请公布日期	1937.03.09
申请号	US19360064431	申请日期	1936.02.18
申请人	GRANITE CITY TOOL COMPANY	发明人	CUMMING WILLIAM G.
分类号	B24B27/00	主分类号	B24B27/00
代理机构		代理人
主权项
地址

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