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Affilication of Author(s):中国科学技术大学

Disigner of the Invention:蔡定平,luyonghua,xiejianping,minghai

Patent description:实用新型

Application Number:02258775.6

Number of Inventors:5

Service Invention or Not:no

Publication Date:2003-11-05

Authorization Date:2003-11-05

First Author:wangpei