Improvements in arrangements in metering circuits of remote signalling systems,申请号GB19490010528-传众专利搜索

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发明名称	Improvements in arrangements in metering circuits of remote signalling systems
摘要
申请公布号	GB680625(A)	申请公布日期	1952.10.08
申请号	GB19490010528	申请日期	1949.04.20
申请人	TELEFON FABRIK AUTOMATIC A/S	发明人
分类号	H04M15/10	主分类号	H04M15/10
代理机构		代理人
主权项
地址

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