Double headphone system,申请号CZ20020012718U-传众专利搜索

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发明名称	Double headphone system
摘要
申请公布号	CZ12008(U1)	申请公布日期	2002.04.17
申请号	CZ20020012718U	申请日期	2002.01.09
申请人	TURON PAVEL	发明人	TURON PAVEL
分类号	H04R11/06;(IPC1-7):H04R11/06	主分类号	H04R11/06
代理机构		代理人
主权项
地址

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