ARCH CROSS-BAR OF THE FLEXIBLE MINE STEEL REINFORCEMENT,申请号CS19770002374-传众专利搜索

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发明名称	ARCH CROSS-BAR OF THE FLEXIBLE MINE STEEL REINFORCEMENT
摘要
申请公布号	CS197547(B1)	申请公布日期	1980.05.30
申请号	CS19770002374	申请日期	1977.04.12
申请人	HAMZA,ZDENEK,CS;ZAJIC,ADOLF,CS;CIELUCH,PETR,CS;KOURIL,JIRI,CS	发明人	HAMZA,ZDENEK,CS;ZAJIC,ADOLF,CS;CIELUCH,PETR,CS;KOURIL,JIRI,CS
分类号	E21D11/22;(IPC1-7):E21D11/22	主分类号	E21D11/22
代理机构		代理人
主权项
地址

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