METHOD OF VENTILATION OF GASSY STOPE,申请号SU19904814989-传众专利搜索

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发明名称	METHOD OF VENTILATION OF GASSY STOPE
摘要
申请公布号	SU1749475(A1)	申请公布日期	1992.07.23
申请号	SU19904814989	申请日期	1990.04.16
申请人	PROIZV OB "SEVEROKUZBASSUGOL";VOSTOCH NII BEZOPASNOSTI	发明人	GUSHCHIN-KLYATKOVSKIJ LYUTSIAN P,SU;BUCHATSKIJ VLADIMIR M,SU;PTITSYN VALENTIN P,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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