Improvements relating to railway traffic controlling apparatus,申请号GB19410004298-传众专利搜索

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发明名称	Improvements relating to railway traffic controlling apparatus
摘要
申请公布号	GB569095(A)	申请公布日期	1945.05.04
申请号	GB19410004298	申请日期	1941.03.31
申请人	WESTINGHOUSE BRAKE & SIGNAL COMPANY LIMITED	发明人
分类号	B61L23/16	主分类号	B61L23/16
代理机构		代理人
主权项
地址

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