Врубовая машина для крутопадающих пластов,申请号SU19330135679-传众专利搜索

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发明名称	Врубовая машина для крутопадающих пластов
摘要
申请公布号	SU39722(A1)	申请公布日期	1934.11.30
申请号	SU19330135679	申请日期	1933.10.04
申请人	VERBOVSKIJ G.G.;UVAROV A.E.	发明人	VERBOVSKIJ G.G.;UVAROV A.E.
分类号	E21C25/00;E21C25/24	主分类号	E21C25/00
代理机构		代理人
主权项
地址

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