VARIABLE TONE ELECTRO MAGNET ALARM,申请号KR19770001431U-传众专利搜索

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发明名称	VARIABLE TONE ELECTRO MAGNET ALARM
摘要
申请公布号	KR780000088(Y1)	申请公布日期	1978.03.02
申请号	KR19770001431U	申请日期	1977.02.28
申请人	CHO CHANG JAE;CHOI JONG SUB	发明人	CHO CHONG JAE;CHOI JONG SUB
分类号		主分类号
代理机构		代理人
主权项
地址

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