Установка для многоперфораторного бурения шпуров при проходке вертикальных стволов шахт,申请号SU19580602624-传众专利搜索

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发明名称	Установка для многоперфораторного бурения шпуров при проходке вертикальных стволов шахт
摘要
申请公布号	SU121401(A1)	申请公布日期	1958.11.30
申请号	SU19580602624	申请日期	1958.06.26
申请人	DUDA E.G.;UMNOV N.R.	发明人	DUDA E.G.;UMNOV N.R.
分类号	E21D1/06	主分类号	E21D1/06
代理机构		代理人
主权项
地址

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