一种孔挤压多重强化装置及方法

Release time:2021-10-12|Hits:

Affilication of Author(s):材料科学与工程学院

Type of Patent:发明

Application Number:202011155166.2

Service Invention or Not:yes

Application Date:2020-10-26

Publication Date:2021-09-28

Authorization Date:2021-09-28