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发明名称
笔膜(夏)
摘要
本产品为平面产品,故省略其它视图。
申请公布号
CN301067664D
申请公布日期
2009.11.25
申请号
CN200830059278.1
申请日期
2008.01.22
申请人
华东师范大学附属杨行中学
发明人
唐龙棣
分类号
19-08
主分类号
19-08
代理机构
上海天协和诚知识产权代理事务所
代理人
张恒康
主权项
地址
201900上海市宝山区宝杨路2888号
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