Device for replacing a normally active apparatus in a transmission system or replacing a normally used route by a spare apparatus or a spare route in the event of a breakdown in the normally used apparatus or route,申请号GB19550037416-传众专利搜索

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发明名称	Device for replacing a normally active apparatus in a transmission system or replacing a normally used route by a spare apparatus or a spare route in the event of a breakdown in the normally used apparatus or route
摘要
申请公布号	GB785961(A)	申请公布日期	1957.11.06
申请号	GB19550037416	申请日期	1955.12.30
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H03F1/54;H04B1/74	主分类号	H03F1/54
代理机构		代理人
主权项
地址

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