Способ изготовления наждачных кругов,申请号SU19290040669-传众专利搜索

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发明名称	Способ изготовления наждачных кругов
摘要
申请公布号	SU18648(A1)	申请公布日期	1930.11.30
申请号	SU19290040669	申请日期	1929.02.13
申请人	ELENEVSKIJ A.N.	发明人	ELENEVSKIJ A.N.
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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