ARRANGEMENT FOR AIRING OPEN MINES,申请号SU19894652692-传众专利搜索

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发明名称	ARRANGEMENT FOR AIRING OPEN MINES
摘要
申请公布号	SU1647150(A1)	申请公布日期	1991.05.07
申请号	SU19894652692	申请日期	1989.02.20
申请人	SHAKHTINSKIJ NOVOCHERKASSKOGO POLT I IM.SERGO ORDZHONIKIDZE	发明人	STEBLETSOV VIKTOR N,SU;MERKULOV VALENTIN A,SU;KALININ STANISLAV M,SU;SIDOROVA ANNA N,SU
分类号	E21F1/00	主分类号	E21F1/00
代理机构		代理人
主权项
地址

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