METHOD OF AIRING BLIND MINE WORKING,申请号SU19864017598-传众专利搜索

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发明名称	METHOD OF AIRING BLIND MINE WORKING
摘要
申请公布号	SU1355719(A1)	申请公布日期	1987.11.30
申请号	SU19864017598	申请日期	1986.02.05
申请人	INST GORNOGO DELA AN KAZAKHSK	发明人	KALIEV SERIK A,SU;SHEPELEV SEMEN F,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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