The utility model provides a multi-functional neutral pen which can fluently write under the zero gravity state or when the gravity does not point to the component force of a pen point.
本实用新型提供一种多功能中性笔，使其在失重状态或重力无指向笔尖分力时也可流利书写。
This circuit may make a tri-state logic pen or is installed in the multimeter and the digital logical experiment box.
该电路可做成三态逻辑笔或装置在万用表、数字逻辑实验箱中使用。
YiWu Xin Hai Pen Busniess was founded in 2000, located in Yuyao city — "literature of the state". It is close to 329 National Road, with convenient Transportation.
义乌市鑫海笔行创建于2000年，地处“文献名邦”之城余姚，紧邻329国道，交通便捷。
Wind Lynn, the pen name of Nicholas Lin, was born in 1946 and graduated from Michigan State University.
林文俊，笔名文林。1946年生，政大毕业。密西根州立大学教育硕士。
Dinfeng pen-accessories enterprise is a state authorized organization.
鼎丰制笔配件厂是经国家相关部门批准注册的企业。
Dinfeng pen-accessories enterprise is a state authorized organization.
鼎丰制笔配件厂是经国家相关部门批准注册的企业。
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