Fully-open headphones with acoustic equalizer,申请号GB19970009610-传众专利搜索

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发明名称	Fully-open headphones with acoustic equalizer
摘要
申请公布号	GB2313248(A)	申请公布日期	1997.11.19
申请号	GB19970009610	申请日期	1997.05.12
申请人	* SONY CORPORATION	发明人	KOJI * NAGENO
分类号	H04R1/10;(IPC1-7):H04R5/033	主分类号	H04R1/10
代理机构		代理人
主权项
地址

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