Abrasive material and method of making same,申请号US19550520156-传众专利搜索

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发明名称	Abrasive material and method of making same
摘要
申请公布号	US2877104(A)	申请公布日期	1959.03.10
申请号	US19550520156	申请日期	1955.07.05
申请人	ELECTRO REFRACTORIES & ABRASIVES CORPORATION	发明人	ROBIE NORMAN P.
分类号	C09K3/14	主分类号	C09K3/14
代理机构		代理人
主权项
地址

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