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发明名称
传声器(二)
摘要
细长物品的长度采用省略画法。
申请公布号
CN301161873D
申请公布日期
2010.03.24
申请号
CN200930185533.1
申请日期
2009.05.06
申请人
北京龙峰经典科技有限公司
发明人
潘多龙
分类号
14-03
主分类号
14-03
代理机构
北京集佳知识产权代理有限公司
代理人
王雪静;逯长明
主权项
地址
100102北京市朝阳区马泉营西区4-7-14幢
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