METHOD OF ECONOMIC MINERALS',ESPECIALLY COAL,VARIABLE SEAMS MINING,申请号CS19840005240-传众专利搜索

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发明名称	METHOD OF ECONOMIC MINERALS',ESPECIALLY COAL,VARIABLE SEAMS MINING
摘要
申请公布号	CS253062(B1)	申请公布日期	1987.10.15
申请号	CS19840005240	申请日期	1984.07.05
申请人	MATULA,JAN,CS;PEKAREK,FRANTISEK,CS;NOVOTNY,STANISLAV,CS;DENGL,JIRI,CS;DZIERZA,EMIL,CS;SCHELLONG,LUBOMIR,CS;GOTTWEIS,JIRI,CS	发明人	MATULA,JAN,CS;PEKAREK,FRANTISEK,CS;NOVOTNY,STANISLAV,CS;DENGL,JIRI,CS;DZIERZA,EMIL,CS;SCHELLONG,LUBOMIR,CS;GOTTWEIS,JIRI,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
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