COAL BED DEGASSING METHOD,申请号SU19874371552-传众专利搜索

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发明名称	COAL BED DEGASSING METHOD
摘要
申请公布号	SU1583636(A1)	申请公布日期	1990.08.07
申请号	SU19874371552	申请日期	1987.12.15
申请人	INST GORNOGO DELA AN KAZAKHSK	发明人	KHAKIMZHANOV TEMIRKHAN E,SU;SVANBAEV GYLYM T,SU
分类号	E21F7/00	主分类号	E21F7/00
代理机构		代理人
主权项
地址

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