METHOD OF REDUCING A RISK OF COAL DUST EXPLOSION,申请号PL19830242514-传众专利搜索

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发明名称	METHOD OF REDUCING A RISK OF COAL DUST EXPLOSION
摘要
申请公布号	PL242514(A2)	申请公布日期	1984.04.24
申请号	PL19830242514	申请日期	1983.06.13
申请人	KOPALNIA WEGLA KAMIENNEGO POKO	发明人	ZIELINSKI ANTONI;NIMPSCH ANTONI;SZEWCZYK MARIAN
分类号	E21F;E21F5/00;(IPC1-7):E21F/	主分类号	E21F
代理机构		代理人
主权项
地址

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