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发明名称
笔(4)
摘要
申请公布号
CN3317384D
申请公布日期
2003.08.27
申请号
CN03325912.7
申请日期
2003.01.07
申请人
余润芬
发明人
余润芬
分类号
19-06
主分类号
19-06
代理机构
上海世贸专利代理有限责任公司
代理人
严新德
主权项
地址
200331上海市普陀区古浪路402弄59号内1号
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