FLEXIBLE AIR DUCTS HOLDER FOR MINES,申请号SU19894716688-传众专利搜索

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发明名称	FLEXIBLE AIR DUCTS HOLDER FOR MINES
摘要
申请公布号	SU1724888(A1)	申请公布日期	1992.04.07
申请号	SU19894716688	申请日期	1989.07.10
申请人	DO POLT INSTITUT	发明人	KONDRATSKIJ VADIM L,SU;MEDVEDEV BORIS I,SU;TSAPOV GEORGIJ P,SU;KONDRATSKIJ SERGEJ V,SU
分类号	E21F1/04	主分类号	E21F1/04
代理机构		代理人
主权项
地址

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