METHOD OF REDUCING DUSTINESS OF AIR WHILE DRIVING GALLERIES,申请号PL19840247065-传众专利搜索

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发明名称	METHOD OF REDUCING DUSTINESS OF AIR WHILE DRIVING GALLERIES
摘要
申请公布号	PL247065(A1)	申请公布日期	1985.10.08
申请号	PL19840247065	申请日期	1984.04.03
申请人	KOPALNIA WEGLA KAMIENNEGO MOSZ	发明人	ZIETEK TADEUSZ;PAJAK BOGUSLAW;WINNICKI WLADYSLAW;KRUPA ANTONI;KUCZA DAMIAN;ZIEGLER HELMUT
分类号	E21C;E21C35/22;E21F;E21F5/20;(IPC1-7):E21C/;E21F/	主分类号	E21C
代理机构		代理人
主权项
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