135953 ⎘
Lining shafts; Linings therefor
Sub-classes:Shaft Excavator
#2FULL-FACE SHAFT TUNNEL BORING MACHINE SYSTEM
#3POLYMER LINER SYSTEM AND METHOD FOR LINING A VERTICAL SHAFT
#4Mobile conveyor device for the delivery of tunnel liners
#5Mobile conveyor device for the delivery of tunnel liners
#6LINER SYSTEM FOR SALT MINE SHAFTS
#7Free-wheeling-resistant rolls for mining roof support and the combination of a mining machine and such rolls
#8LOW PROFILE CAN DESCENDER
#9Mesh handling apparatus and related methods
#10LINER SYSTEM FOR MINES, TUNNELS AND OTHER GROUND STRUCTURES
#11Ladderway system for underground raises
#12Mobile conveyor device for the delivery of tunnel liners