ALARM TONE SENDING CIRCUIT FOR LONG DISTANCE CALL OUTGOING CONTROL,申请号KR1019890016807-传众专利搜索

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发明名称	ALARM TONE SENDING CIRCUIT FOR LONG DISTANCE CALL OUTGOING CONTROL
摘要
申请公布号	KR1019920003343(B1)	申请公布日期	1992.04.27
申请号	KR1019890016807	申请日期	1989.11.20
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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