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发明名称
扬声器
摘要
申请公布号
CN300818789D
申请公布日期
2008.08.20
申请号
CN200730160463.5
申请日期
2007.08.01
申请人
雅马哈株式会社
发明人
田中坚四郎;相庭信四郎
分类号
14-01
主分类号
14-01
代理机构
隆天国际知识产权代理有限公司
代理人
郑小军
主权项
地址
日本静冈县浜松市
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