Improvements in and relating to electrical apparatus and devices for use therein,申请号GB19570001318-传众专利搜索

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发明名称	Improvements in and relating to electrical apparatus and devices for use therein
摘要
申请公布号	GB821723(A)	申请公布日期	1959.10.14
申请号	GB19570001318	申请日期	1957.01.14
申请人	TELEPHONE MANUFACTURING COMPANY LIMITED	发明人	NEVILLE GEORGE WILLIAM
分类号	H04M1/274	主分类号	H04M1/274
代理机构		代理人
主权项
地址

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