CIRCUIT TO SUPPLY TONE,申请号KR19870021903U-传众专利搜索

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发明名称	CIRCUIT TO SUPPLY TONE
摘要
申请公布号	KR900007846(Y1)	申请公布日期	1990.08.24
申请号	KR19870021903U	申请日期	1987.12.11
申请人	SAMSUNG ELECTRONICS CO.LTD.	发明人	CHONG YONG-SUNG
分类号	H04M3/02;(IPC1-7):H04M3/02	主分类号	H04M3/02
代理机构		代理人
主权项
地址

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