(B1) ;METHOD OF ISOLATING CAVINGS OF A LONGWALL HEADING,申请号PL19810230128-传众专利搜索

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发明名称	(B1) ;METHOD OF ISOLATING CAVINGS OF A LONGWALL HEADING
摘要
申请公布号	PL230128(A1)	申请公布日期	1982.09.13
申请号	PL19810230128	申请日期	1981.03.11
申请人	KOPALNIA WEGLA KAMIENNEGO JULI	发明人	FILIPEK MARIAN;SZOTROWSKI WLADYSLAW;RUBINIEC WALDEMAR;BLAHUT JOZEF;KORPAN ZBIGNIEW;OSIKA BRONISLAW;LUZYNSKI WIESLAW
分类号	E21D;E21F;E21F15/00;(IPC1-7):E21F/;E21D/	主分类号	E21D
代理机构		代理人
主权项
地址

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