Grinding wheels and method of making them,申请号US19520301798-传众专利搜索

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发明名称	Grinding wheels and method of making them
摘要
申请公布号	US2745728(A)	申请公布日期	1956.05.15
申请号	US19520301798	申请日期	1952.07.30
申请人	NORTON COMPANY	发明人	IRANY ERNEST P.
分类号	B24D3/34;C08L61/10	主分类号	B24D3/34
代理机构		代理人
主权项
地址

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