Improvements in or relating to desk or like telephone sets,申请号GB19280037533-传众专利搜索

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发明名称	Improvements in or relating to desk or like telephone sets
摘要
申请公布号	GB302694(A)	申请公布日期	1930.03.19
申请号	GB19280037533	申请日期	1928.12.19
申请人	ASSOCIATED TELEPHONE & TELEGRAPH COMPANY	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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