THE DEVICE OF AUDIO FOR PUBLIC TRAFFIC,申请号KR19990028474U-传众专利搜索

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发明名称	THE DEVICE OF AUDIO FOR PUBLIC TRAFFIC
摘要
申请公布号	KR200182834(Y1)	申请公布日期	2000.05.15
申请号	KR19990028474U	申请日期	1999.12.16
申请人	DIAMOND ELECTRONICS CO.,LTD.	发明人	JEONG, JIN SANG
分类号	H04B1/16;(IPC1-7):H04B1/16	主分类号	H04B1/16
代理机构		代理人
主权项
地址

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