CIRCUIT FOR PREVENTING UNAUTHORIZED CALL,申请号KR19880022316U-传众专利搜索

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发明名称	CIRCUIT FOR PREVENTING UNAUTHORIZED CALL
摘要
申请公布号	KR910005417(Y1)	申请公布日期	1991.07.25
申请号	KR19880022316U	申请日期	1988.12.30
申请人	HWANG TAE-SUNG	发明人	HWANG TAE-SUNG
分类号	H04M1/66;(IPC1-7):H04M1/66	主分类号	H04M1/66
代理机构		代理人
主权项
地址

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