Машина для проходки шахт,申请号SU19340155527-传众专利搜索

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发明名称	Машина для проходки шахт
摘要
申请公布号	SU48060(A1)	申请公布日期	1936.08.31
申请号	SU19340155527	申请日期	1934.10.15
申请人	RAKHVALOV N.E.	发明人	RAKHVALOV N.E.
分类号	E21D1/03	主分类号	E21D1/03
代理机构		代理人
主权项
地址

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