Release Time:2021-03-12 Hits:
First Author: 汤正英
Disigner of the Invention: 何祝斌,杨姝,Chang Qi,苑世剑
Authorization Number: 201910609792.5
Prev One:用于行人保护的发动机罩盖防护结构
Next One:DIE CAPABLE OF ACHIEVING RAPID FORMING AND QUENCHING THEREIN