DEVICE FOR CONNECTING POWERED MINE ROOF SUPPORT UNITS TO CONVEYER,申请号SU19792721688-传众专利搜索

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发明名称	DEVICE FOR CONNECTING POWERED MINE ROOF SUPPORT UNITS TO CONVEYER
摘要
申请公布号	SU785510(A1)	申请公布日期	1980.12.07
申请号	SU19792721688	申请日期	1979.02.05
申请人	KOROVIN ARNOLD K,SU;SHAPIRO NATAN A,SU	发明人	KOROVIN ARNOLD K,SU;SHAPIRO NATAN A,SU
分类号	E21D23/04;(IPC1-7):E21D23/04	主分类号	E21D23/04
代理机构		代理人
主权项
地址

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