Multiplex telegraphic and telephonic system,申请号US19360059484-传众专利搜索

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发明名称	Multiplex telegraphic and telephonic system
摘要
申请公布号	US2093812(A)	申请公布日期	1937.09.21
申请号	US19360059484	申请日期	1936.01.17
申请人	ARTHUR LOTH WILLIAM;ARMAND GIVELET JOSEPH	发明人	LOTH WILLIAM ARTHUR;GIVELET JOSEPH ARMAND
分类号	H04J7/02;H04M11/06	主分类号	H04J7/02
代理机构		代理人
主权项
地址

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