Release Time:2019-04-15 |
Hits:
李建勇
+
Gender:Male
Education Level:With Certificate of Graduation for Study as Master's Candidates
Alma Mater:山东大学
Patents
自行搅拌式河道清淤设备
Institution:机械工程学院
Type of Patent:Utility models
Application Number:201120537746.8
Number of Inventors:1
Service Invention or Not:No
Application Date:2011-12-20
Publication Date:2012-08-15
Authorization Date:2012-08-15