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发明名称
扬声器
摘要
申请公布号
CN3406984D
申请公布日期
2004.11.24
申请号
CN200330134088.9
申请日期
2003.12.12
申请人
KH技术公司
发明人
格雷厄姆·戴维·艾伦
分类号
14-03
主分类号
14-03
代理机构
北京康信知识产权代理有限责任公司
代理人
余刚
主权项
地址
英属西印度群岛开曼群岛
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