First Author:Zhang Yongqi
Patent Applicant:Chen Zhilian
Disigner of the Invention:Li Chen
Type of Patent:实用新型
State of Patent:授权
Application Number:ZL202120516894.5
Authorization number:CN214636296U
Number of Inventors:3
Service Invention or Not:no
Application Date:2021-03-11
Publication Date:2021-11-09
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