中文

Patents

[1]Directional Fracture Blasting Shaped Charge Hole Positioning Directional Push Dedicated Device, 授权号:201220504219.
[2]An Approach for In-situ Direct Shear Creep Test, 授权号:201210374780.7.
[3]Method of Determining Boulder Blasting Pretreatment of Explosive Charge of Overlying Rock and Soil Conditions, 授权号:201410279390.0.
[4]Tunnel Directional Fracture Blasting Shaped Charge Hole Positioning Directional Push Dedicated Device, 授权号:201210430515.6.

total4 1/1

firstpreviousnextlast

张学民

Postal Address:
Email:

Central South University All rights reserved 湘ICP备05005659号-1

Click:

The Last Update Time:..