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发明名称
计算器(4)
摘要
申请公布号
CN301013456D
申请公布日期
2009.09.16
申请号
CN200830067607.7
申请日期
2008.09.11
申请人
上海第二工业大学
发明人
张桂宜
分类号
18-01
主分类号
18-01
代理机构
上海东创专利代理事务所
代理人
宁芝华
主权项
地址
201209上海市浦东新区金海路2360号
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