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Affilication of Author(s):中国科学技术大学

Disigner of the Invention:吴云良,张兴华,郝鹏

Patent description:实用新型

Application Number:200920187553.7

Number of Inventors:4

Service Invention or Not:no

Publication Date:2010-06-30

Authorization Date:2010-06-30

First Author:wangkeyi