用于不同孔径管道内壁清理的旋刀式清管器及清理装置

Release time:2019-04-15|Hits:

Affilication of Author(s):机械工程学院

Patent Applicant:wangbing,Zhanqiang Liu

Type of Patent:实用新型

Application Number:201821538502.X

Number of Inventors:2

Service Invention or Not:no

Application Date:2018-09-19