ELECTRIC RAILROAD TRAFFIC PROTECTION SYSTEM FOR SINGLE AND DOUBLE TRACK RAILWAY LINESHENIJA NA OADNOPUTNYKH I DVUKHPUTNYKH PEREGONAKH,申请号PL19790213487-传众专利搜索

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发明名称	ELECTRIC RAILROAD TRAFFIC PROTECTION SYSTEM FOR SINGLE AND DOUBLE TRACK RAILWAY LINESHENIJA NA OADNOPUTNYKH I DVUKHPUTNYKH PEREGONAKH
摘要
申请公布号	PL118886(B1)	申请公布日期	1981.11.30
申请号	PL19790213487	申请日期	1979.02.15
申请人		发明人
分类号	B61L;B61L23/22;(IPC1-7):B61L23/22	主分类号	B61L
代理机构		代理人
主权项
地址

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