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发明名称	TELECOMMUNICATION EXCHANGE SYSTEMS.
摘要
申请公布号	IE19214(L)	申请公布日期	1945.04.29
申请号	IE19480000004	申请日期	1948.01.02
申请人	STANDARD TELEPHONES AND CABLES LTD.	发明人
分类号	H04Q1/14;(IPC1-7):H04Q1/14	主分类号	H04Q1/14
代理机构		代理人
主权项
地址

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