Circuit for transmitting voice signals and dial pulses,申请号GB19910019352-传众专利搜索

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发明名称	Circuit for transmitting voice signals and dial pulses
摘要
申请公布号	GB2250661(A)	申请公布日期	1992.06.10
申请号	GB19910019352	申请日期	1991.09.10
申请人	* NITSUKO CORPORATION	发明人	TOORU * SHIMURA
分类号	H04M1/31	主分类号	H04M1/31
代理机构		代理人
主权项
地址

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