Method and system for concreting railway slab track
ES2380963A1
Device for the installation of a third lane on an existing railway.
EP2503059A2
Automatic machine for leveling and alignment of ballastless railway, prior to concreting.
ES2326403A1
POSITIONING AND SQUARE MACHINE OF RAILWAY ROADS.
ES2319953A1
DEVICE FOR DISCHARGE AND PLACEMENT OF RAILS ON A PARALLEL ROAD TO ANOTHER EXISTING.
ES2308954A1
Machine for the loading and unloading of rollers of trailer and positioning of roads ferreas (Machine-translation by Google Translate, not legally binding)
ES2308949A1
"DOWNLOAD MACHINE AND POSITIONING OF RAILWAYS ON TRAVESAS IN VIAS FERREAS".
