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发明名称
曲线形杆体圆珠笔芯
摘要
本发明属于一种圆珠笔芯,由装油墨的杆体,笔头及笔珠等构件组成,所述的杆体是曲线形,可以是连续的S形也可以是不连续的S形,能大大增加笔芯的油墨容量。
申请公布号
CN87103791A
申请公布日期
1988.12.14
申请号
CN87103791
申请日期
1987.05.22
申请人
侯燕宁;查恒奇
发明人
侯燕宁;查恒奇
分类号
B43K7/02;B43K1/08
主分类号
B43K7/02
代理机构
代理人
主权项
1、一种圆珠笔芯,其由装油墨的杆体,笔头及笔芯组成,其 特征是所述的杆体是S状曲线形。
地址
江苏省南京市南京军区总医院口腔科
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