Machine for making grinding wheels,申请号US19310584151-传众专利搜索

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发明名称	Machine for making grinding wheels
摘要
申请公布号	US2031158(A)	申请公布日期	1936.02.18
申请号	US19310584151	申请日期	1931.12.31
申请人	SECURITY GRINDING WHEEL CO.	发明人	GOODHUE JULIAN G.
分类号	B24D18/00	主分类号	B24D18/00
代理机构		代理人
主权项
地址

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