SPEAKER WITH VOLUME CONTROL,申请号KR19800000284U-传众专利搜索

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发明名称	SPEAKER WITH VOLUME CONTROL
摘要
申请公布号	KR800002049(Y1)	申请公布日期	1980.12.18
申请号	KR19800000284U	申请日期	1980.01.18
申请人	YOON KWANG YUL	发明人	YOON KWANG YUL
分类号	H04R1/00;(IPC1-7):H04R1/00	主分类号	H04R1/00
代理机构		代理人
主权项
地址

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