Release time:2018-10-12
Type of Patent:Utility models
Authorization number:ZL.2017.2 0236014.2
Service Invention or Not:no
Pre One:一种岩溶地段隧道挂壁式围岩断面爆破开挖方法
Next One:一种适用于岩溶空区隧道围岩断面的降震爆破装置
The Last Update Time:..