Affilication of Author(s):

中国科学技术大学

Disigner of the Invention:

gexinshi,jiaodongsheng,庄双勇

Patent description:

实用新型

Application Number:

03220738.7

Number of Inventors:

4

Service Invention or Not:

no

Publication Date:

2004-03-31

Authorization Date:

2004-03-31

First Author:

yehong