Affilication of Author(s):中国科学技术大学
Disigner of the Invention:xiaweidong,wangdazhi
Patent description:实用新型
Application Number:200320120485.5
Number of Inventors:3
Service Invention or Not:no
Publication Date:2004-12-01
Authorization Date:2004-12-01
First Author:huangweidong
