Способ изготовления шлифовальных кругов для металла,申请号SU19500430357-传众专利搜索

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发明名称	Способ изготовления шлифовальных кругов для металла
摘要
申请公布号	SU90847(A1)	申请公布日期	1950.11.30
申请号	SU19500430357	申请日期	1950.06.22
申请人	MALYSHEV A.N.	发明人	MALYSHEV A.N.
分类号	B24D3/02	主分类号	B24D3/02
代理机构		代理人
主权项
地址

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