Telephone set mounting,申请号US19300454313-传众专利搜索

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发明名称	Telephone set mounting
摘要
申请公布号	US1809125(A)	申请公布日期	1931.06.09
申请号	US19300454313	申请日期	1930.05.21
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	HOYT FREDERICK A.
分类号	H04M1/11	主分类号	H04M1/11
代理机构		代理人
主权项
地址

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