Mining or in situ disintegration of hard material
Hard material disintegrating machines
Stepper-type advance-causing means
Inventor
active
Double shield tunnel boring machine
Hopper and hood combination for tunneling machine and tunneling
Shaft boring machine and method
Tunnel boring machine and method
Tunneling machine having liquid balance low flow slurry system
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Profile ID: LFUS-PAI-P-1005789