MECHANIZED MINING ROOF SUPPORT SECTION,申请号SU19802998519-传众专利搜索

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发明名称	MECHANIZED MINING ROOF SUPPORT SECTION
摘要
申请公布号	SU924398(A1)	申请公布日期	1982.04.30
申请号	SU19802998519	申请日期	1980.08.22
申请人	KARAGANDINSKOE OTDEL VOSTOCHNOGO NII PO BEZOPASNOSTI RABOT V GORNOJ PROMYSHLENNOSTI	发明人	CHEREPANOV VENIAMIN V,SU;YATSENKO IVAN S,SU;BRAZHNIK LYUDMILA S,SU
分类号	E21D23/06;(IPC1-7):E21D23/06	主分类号	E21D23/06
代理机构		代理人
主权项
地址

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