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发明名称
学生书画子母笔
摘要
本实用新型公开了一种学生书画子母笔,该书画子母笔的母笔为粗笔杆,子笔为细笔杆,细笔杆正好套在粗笔杆中,所述粗笔杆的上端内壁上设有内螺纹,所述细笔杆的上端外壁上设有和粗笔杆上的内螺纹相吻合的外螺纹。由于采用上述结构,在母笔中套着子笔,能够一笔两用,占用空间小,携带方便。
申请公布号
CN2452741Y
申请公布日期
2001.10.10
申请号
CN00262816.3
申请日期
2000.11.20
申请人
于明亮
发明人
于明亮;高海红;刘爱华;谢机密;王勤家
分类号
B43K8/02;B43K3/00
主分类号
B43K8/02
代理机构
代理人
主权项
1、一种学生书画子母笔,该书画子母笔的母笔为粗笔杆,子笔为细笔杆,细笔杆正好套在粗笔杆中,其特征在于所述粗笔杆的上端内壁上设有内螺纹,所述细笔杆的上端外壁上设有和粗笔杆上的内螺纹相吻合的外螺纹。
地址
276300山东省沂南县界湖镇第一中学
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