Dispositif de commutation de phase binaire,申请号FRD1163409-传众专利搜索

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发明名称	Dispositif de commutation de phase binaire
摘要
申请公布号	FR1163409(A)	申请公布日期	1958.09.25
申请号	FRD1163409	申请日期	1956.10.02
申请人	NIPPON TELEGRAPH AND TELEPHONE PUBLIC CORPORATION	发明人
分类号	H04L27/20;H04L27/233	主分类号	H04L27/20
代理机构		代理人
主权项
地址

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