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发明名称
掌上电脑(盲人形)
摘要
申请公布号
CN3257310D
申请公布日期
2002.10.02
申请号
CN02301286.2
申请日期
2002.01.18
申请人
联想(北京)有限公司
发明人
井旭东
分类号
14-02
主分类号
14-02
代理机构
中科专利商标代理有限责任公司
代理人
汤保平
主权项
地址
100085北京市海淀区上地创业路6号
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