PARTITION FOR PROTECTING WORKING FIELDS OF LONGWALL MINE HEADINGS,申请号PL19950306896-传众专利搜索

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发明名称	PARTITION FOR PROTECTING WORKING FIELDS OF LONGWALL MINE HEADINGS
摘要
申请公布号	PL306896(A1)	申请公布日期	1996.07.22
申请号	PL19950306896	申请日期	1995.01.18
申请人	CENTRUM MECHANIZACJI GORNICTWA KOMAG	发明人	OLES STEFAN;PRETOR WINCENTY;MACIEJEWSKI STEFAN;KACZMARCZYK PIOTR
分类号	E21D23/03;(IPC1-7):E21D23/03	主分类号	E21D23/03
代理机构		代理人
主权项
地址

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