Машина для уборки породы при проходке стволов шахт,申请号SU19500430241-传众专利搜索

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发明名称	Машина для уборки породы при проходке стволов шахт
摘要
申请公布号	SU89831(A1)	申请公布日期	1950.11.30
申请号	SU19500430241	申请日期	1950.06.21
申请人	FILTSER S.M.	发明人	FILTSER S.M.
分类号	E21D1/03;B65G65/04;E21D7/00;E21F13/04	主分类号	E21D1/03
代理机构		代理人
主权项
地址

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