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发明名称
演示仪(动、势能转换演示仪)
摘要
后视图与主视图对称,省略后视图。
申请公布号
CN3598201D
申请公布日期
2007.01.10
申请号
CN200630034669.9
申请日期
2006.03.23
申请人
上海市嘉定区第二中学
发明人
姚成兴
分类号
19-07
主分类号
19-07
代理机构
上海伯瑞杰知识产权代理有限公司
代理人
吴泽群
主权项
地址
201802上海市嘉定区南翔镇德华路388号
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