Hits:
First Author:Deng Dewei
Disigner of the Invention:于涛,haoshengzhi,WU Dongjiang,张永康,zhanghongchao
Application Number:CN201510304763.X
Authorization Date:2015-06-05
Authorization number:CN104880486A
Pre One:一种深层半埋藏金属裂纹修复方法