Telephone desk set,申请号GB19550026873-传众专利搜索

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发明名称	Telephone desk set
摘要
申请公布号	GB782613(A)	申请公布日期	1957.09.11
申请号	GB19550026873	申请日期	1955.09.20
申请人	AUTOMATIC ELECTRIC LABORATORIES, INC.	发明人
分类号	H04M1/02	主分类号	H04M1/02
代理机构		代理人
主权项
地址

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