Affilication of Author(s):

中国科学技术大学

Disigner of the Invention:

gaojianfeng,liuxingqin

Patent description:

实用新型

Application Number:

02262553.4

Number of Inventors:

3

Service Invention or Not:

no

Publication Date:

2003-04-23

Authorization Date:

2003-04-23

First Author:

mengguangyao