免持听筒耳机(六),申请号CN02329673.9-传众专利搜索

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发明名称	免持听筒耳机(六)
摘要
申请公布号	CN3274256D	申请公布日期	2003.01.22
申请号	CN02329673.9	申请日期	2002.05.31
申请人	孙文伟;张格常	发明人	孙文伟;张格常
分类号	14-01	主分类号	14-01
代理机构	中科专利商标代理有限责任公司	代理人	朱黎光
主权项
地址	台湾省台北县板桥市和平路14巷30号

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