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发明名称
耳机
摘要
申请公布号
CN300885048D
申请公布日期
2009.02.18
申请号
CN200730311097.9
申请日期
2007.10.16
申请人
GN有限公司
发明人
约翰·比厄
分类号
14-01
主分类号
14-01
代理机构
中原信达知识产权代理有限责任公司
代理人
顾 缨;田军锋
主权项
地址
丹麦巴勒鲁普
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