Field telephone system,申请号US19430486755-传众专利搜索

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发明名称	Field telephone system
摘要
申请公布号	US2376367(A)	申请公布日期	1945.05.22
申请号	US19430486755	申请日期	1943.05.13
申请人	FEDERAL TELEPHONE AND RADIO CORPORATION	发明人	LEIBE FRANK A.
分类号	H04M9/00	主分类号	H04M9/00
代理机构		代理人
主权项
地址

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