REINFORCED FOUR-PIECE SET LINING FOR GALLERIES,申请号PL19880275980-传众专利搜索

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发明名称	REINFORCED FOUR-PIECE SET LINING FOR GALLERIES
摘要
申请公布号	PL275980(A1)	申请公布日期	1990.05.28
申请号	PL19880275980	申请日期	1988.11.23
申请人	KOPALNIA WEGLA KAMIENNEGO KNUR	发明人	ROLNIK EGON;BUJOCZEK TADEUSZ;NOWAK ZYGMUNT;KROL JANUSZ
分类号	E21D;E21D11/14;(IPC1-7):E21D/	主分类号	E21D
代理机构		代理人
主权项
地址

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