METHOD OF MINING HIGH-GAS COAL SEAMS,申请号SU19813285221-传众专利搜索

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发明名称	METHOD OF MINING HIGH-GAS COAL SEAMS
摘要
申请公布号	SU1040153(A1)	申请公布日期	1983.09.07
申请号	SU19813285221	申请日期	1981.04.30
申请人	VNI PK UGOLNYJ I "KNIUI"	发明人	LITVINOV VLADIMIR V,SU;ANTONENKO SERGEJ V,SU;VORONIN BORIS I,SU
分类号	E21F5/00;(IPC1-7):E21C41/04	主分类号	E21F5/00
代理机构		代理人
主权项
地址

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