Improvements in or relating to cross-bar switches of the type used in telephone systems,申请号GB19520004730-传众专利搜索

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发明名称	Improvements in or relating to cross-bar switches of the type used in telephone systems
摘要
申请公布号	GB722435(A)	申请公布日期	1955.01.26
申请号	GB19520004730	申请日期	1952.02.22
申请人	STANDARD TELEPHONES AND CABLES LTD.	发明人
分类号	H01H67/26	主分类号	H01H67/26
代理机构		代理人
主权项
地址

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