TELEPHONE OFF HOOK STATE SENSING CONTROL METHOD AND CONTROL CIRCUIT,申请号KR1019880003380-传众专利搜索

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发明名称	TELEPHONE OFF HOOK STATE SENSING CONTROL METHOD AND CONTROL CIRCUIT
摘要
申请公布号	KR1019930011179(B1)	申请公布日期	1993.11.24
申请号	KR1019880003380	申请日期	1988.03.28
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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