MEDIUM AND HIGH SPEAKER SHIELDING THE BACK SIDE PERFECTLY,申请号KR19780006380U-传众专利搜索

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发明名称	MEDIUM AND HIGH SPEAKER SHIELDING THE BACK SIDE PERFECTLY
摘要
申请公布号	KR790002137(Y1)	申请公布日期	1979.12.26
申请号	KR19780006380U	申请日期	1978.12.19
申请人	KOREA ELECTRONIC CO LTD	发明人	YOON P
分类号	H04R1/02;(IPC1-7):H04R1/02	主分类号	H04R1/02
代理机构		代理人
主权项
地址

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