MINING ENTRY CROSSING SUPPORTED BY STEEL-ALUMINIUM STRUCTURE,申请号HU19880003900-传众专利搜索

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发明名称	MINING ENTRY CROSSING SUPPORTED BY STEEL-ALUMINIUM STRUCTURE
摘要
申请公布号	HUT50366(A)	申请公布日期	1990.01.29
申请号	HU19880003900	申请日期	1988.07.25
申请人	BAKONYI BAUXITBANYA,HU	发明人	BERTA,KAROLY,HU;HORVATH,SZILVESZTER,HU;SZABO,PETER,HU;FERGER,JANOS,HU;ORAVECZ,ZOLTAN,HU;KALMAR,JANOS,HU
分类号	E21D15/00;(IPC1-7):E21D15/00	主分类号	E21D15/00
代理机构		代理人
主权项
地址

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