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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
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