SPOSOB I URZADZENIE DO ZMNIEJSZANIA ZAGROZEN GAZOWMETHOD AND APPARATUS FOR REDUCING GAS EXPLOSION HAZARDSIN UNDERGROUND MINES YCH W PODZIEMIACH KOPALN,申请号PL19760188744-传众专利搜索

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发明名称	SPOSOB I URZADZENIE DO ZMNIEJSZANIA ZAGROZEN GAZOWMETHOD AND APPARATUS FOR REDUCING GAS EXPLOSION HAZARDSIN UNDERGROUND MINES YCH W PODZIEMIACH KOPALN
摘要
申请公布号	PL108063(B1)	申请公布日期	1980.03.31
申请号	PL19760188744	申请日期	1976.04.12
申请人		发明人
分类号	E21F5/00;E21F7/00;(IPC1-7):E21F7/00	主分类号	E21F5/00
代理机构		代理人
主权项
地址

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