OPERATING PART OF MINER WITH DUST SUPPRESSING SYSTEM,申请号SU19894685104-传众专利搜索

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发明名称	OPERATING PART OF MINER WITH DUST SUPPRESSING SYSTEM
摘要
申请公布号	SU1687774(A1)	申请公布日期	1991.10.30
申请号	SU19894685104	申请日期	1989.03.30
申请人	TSNI PK I PROKHODCHESKIKH MAS	发明人	POLYAKOV EVGENIJ S,SU;VASILEV KIRILL A,SU;BARANTSEV VLADIMIR S,SU
分类号	E21C27/24	主分类号	E21C27/24
代理机构		代理人
主权项
地址

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