RAILWAY CROSSING FACING THE UPPER LEVEL OF THE RAILS,申请号CS19770006591-传众专利搜索

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发明名称	RAILWAY CROSSING FACING THE UPPER LEVEL OF THE RAILS
摘要
申请公布号	CS197305(B2)	申请公布日期	1980.04.30
申请号	CS19770006591	申请日期	1977.10.11
申请人	SEMPERIT AG.,AT	发明人	FLURI,KARL,CH
分类号	E01C9/04;(IPC1-7):E01C9/04	主分类号	E01C9/04
代理机构		代理人
主权项
地址

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