一种适用模型试验的可视化微型隧洞掘进系统

Release time:2018-05-15|Hits:

Patent Applicant:200799016625 200799014545

Type of Patent:发明

Application Number:201210559637.5

Number of Inventors:6

Service Invention or Not:no

Application Date:2012-12-21

Publication Date:2015-04-08

Authorization Date:2012-12-21