METHOD OF EXTRACTION OF THE THICK HORIZONTAL AND MEDIUM DIPPING COAL SEAM,申请号CS19760004084-传众专利搜索

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发明名称	METHOD OF EXTRACTION OF THE THICK HORIZONTAL AND MEDIUM DIPPING COAL SEAM
摘要
申请公布号	CS185067(B1)	申请公布日期	1978.09.15
申请号	CS19760004084	申请日期	1976.06.22
申请人	WLACHOVSKY,IVAN,CS	发明人	WLACHOVSKY,IVAN,CS
分类号	E21C41/00;(IPC1-7):E21C41/00	主分类号	E21C41/00
代理机构		代理人
主权项
地址

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