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Affilication of Author(s):图书馆VIP

Disigner of the Invention:潘瑞,杨朵,Wang Yujie,yangxiaoyu

Patent description:实用新型

Application Number:201920244875.4

Number of Inventors:5

Service Invention or Not:no

Publication Date:2019-08-27

Authorization Date:2019-08-27

First Author:chenzonghai