Method of making grinding wheels,申请号US19540475512-传众专利搜索

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发明名称	Method of making grinding wheels
摘要
申请公布号	US2749224(A)	申请公布日期	1956.06.05
申请号	US19540475512	申请日期	1954.12.15
申请人	MERIT PRODUCTS, INC.	发明人	BLOCK ALECK
分类号	B24D13/04	主分类号	B24D13/04
代理机构		代理人
主权项
地址

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