POWERED SUPPORT UNIT FOR BREAKAGE FACES,申请号SU19894753780-传众专利搜索

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发明名称	POWERED SUPPORT UNIT FOR BREAKAGE FACES
摘要
申请公布号	SU1716162(A1)	申请公布日期	1992.02.28
申请号	SU19894753780	申请日期	1989.10.27
申请人	DO NI UGOLNYJ INSTITUT	发明人	MOROZOV STANISLAV P,SU;KUDRAVETS GRIGORIJ V,SU;NAMAKSHTANSKIJ VADIM YA,SU;BABENKO PETR S,SU
分类号	E21D23/12	主分类号	E21D23/12
代理机构		代理人
主权项
地址

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