METHOD OF AIRING OPEN MINES,申请号SU19843829473-传众专利搜索

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发明名称	METHOD OF AIRING OPEN MINES
摘要
申请公布号	SU1219820(A1)	申请公布日期	1986.03.23
申请号	SU19843829473	申请日期	1984.10.31
申请人	INST GORNOGO DELA AN KAZAKHSK	发明人	KHVAN VITALIJ E,SU
分类号	E21F1/00;(IPC1-7):E21F1/00	主分类号	E21F1/00
代理机构		代理人
主权项
地址

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