一种基于剪纸图案设计的碰撞吸能盒
Release time:2021-09-09
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First Author:周才华
Disigner of the Invention:wangbo,Li Tong,宋志博,明世朝,Peng Hao,Bi Xiangjun,renmingfa
Application Number:201910030793.4
Authorization Date:2019-01-14
Authorization number:ZL201910030793.4