METHOD OF MINING THE REST OF COAL DEPOSITS USING THE LONGITUDINAL SYSTEM WITH ROOF ROCK CAVING,IN PARTICULAR OF DEPOSITS BEING ENDANGERED BY CRUMPS,FIRES AND GASES,申请号PL19830240343-传众专利搜索

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发明名称	METHOD OF MINING THE REST OF COAL DEPOSITS USING THE LONGITUDINAL SYSTEM WITH ROOF ROCK CAVING,IN PARTICULAR OF DEPOSITS BEING ENDANGERED BY CRUMPS,FIRES AND GASES
摘要
申请公布号	PL240343(A1)	申请公布日期	1984.07.30
申请号	PL19830240343	申请日期	1983.01.27
申请人	KOPALNIA WEGLA KAMIENNEGO WIEC	发明人	LISIECKI BRONISLAW;STELMACH STANISLAW;DEMEL TADEUSZ;KRAWIEC ALFONS
分类号	E21C;(IPC1-7):E21C/	主分类号	E21C
代理机构		代理人
主权项
地址

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