Qr code
Login 中文
冯志华

Professor


E-Mail:

Contact Information:0551-6360894

Degree:Dr

Click:Times

The Last Update Time: ..

Current position: Home >> Scientific Research >> Patents
一种用于键盘的复合按键

Hits:

Affilication of Author(s):中国科学技术大学

Disigner of the Invention:kongfanrang,刘志刚

Patent description:实用新型

Application Number:98217487.X

Number of Inventors:3

Service Invention or Not:no

Publication Date:1999-12-22

Authorization Date:1999-12-22

First Author:fengzhihua