Affilication of Author(s):中国科学技术大学

Disigner of the Invention:qinjun,fanweicheng,余明高,陆强

Patent description:实用新型

Application Number:02287672.3

Number of Inventors:5

Service Invention or Not:no

Publication Date:2003-12-03

Authorization Date:2003-12-03

First Author:liaoguangxuan