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发明名称
笔(KB1216)
摘要
为了充分表达笔顶端的形状,用细线表示其相切线。
申请公布号
CN3324571D
申请公布日期
2003.09.24
申请号
CN03306837.2
申请日期
2003.03.27
申请人
邱智铭
发明人
邱智铭
分类号
19-06
主分类号
19-06
代理机构
代理人
主权项
地址
315801浙江省宁波市北仑区小港开发区红联宁波贝发集团有限公司
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