SIGNAL LEVEL DETECTORS,申请号GB19690008043-传众专利搜索

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发明名称	SIGNAL LEVEL DETECTORS
摘要
申请公布号	GB1246174(A)	申请公布日期	1971.09.15
申请号	GB19690008043	申请日期	1969.02.14
申请人	WESTINGHOUSE AIR BRAKE COMPANY	发明人
分类号	G01R19/165	主分类号	G01R19/165
代理机构		代理人
主权项
地址

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