128982 ⎘
Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging screws
Systems and methods for laying underground fiber optic cable
#2Hollow boring auger
#3System and method for laying an underwater pipeline on a bed of a body of water
#4Trench apparatus with leveling means
#5EXCAVATION DEVICES AND METHODS
#6VESSEL FOR FORMING A TRENCH IN A WATER BOTTOM
#7Self-propelled underwater vehicles and systems for underground laying a continuous elongated member in a bed of a body of water
#8Method and system for laying underground a continuous elongated member in a bed of a body of water
#9Method and system of laying underwater pipelines in the bed of a body of water
#10ATTACHMENT FOR EXCAVATOR
#11Excavating method and apparatus
#12Vehicle for installing a cable in a ground formation
#13Power cable installation device