SWITCHING SYSTEM FOR SPEECH CIRCUIT AND SPEAKER RECEPTION CIRCUIT IN TELEPHONE SET HAVING ON-HOOK DIAL FUNCTION,申请号JP19870242779-传众专利搜索

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发明名称	SWITCHING SYSTEM FOR SPEECH CIRCUIT AND SPEAKER RECEPTION CIRCUIT IN TELEPHONE SET HAVING ON-HOOK DIAL FUNCTION
摘要
申请公布号	JPS6486649(A)	申请公布日期	1989.03.31
申请号	JP19870242779	申请日期	1987.09.29
申请人	OKI ELECTRIC IND CO LTD	发明人	FUJISHIRO NAOKI;MARUSHIMA HIROO
分类号	H04M1/26;H04M1/60	主分类号	H04M1/26
代理机构		代理人
主权项
地址

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