增阻让压锚杆

Release time:2018-05-15|Hits:

Patent Applicant:201294000024 200799014545

Type of Patent:发明

Application Number:201210020742.1

Number of Inventors:3

Service Invention or Not:no

Application Date:2012-01-30

Publication Date:2014-12-10

Authorization Date:2012-01-30