PIEUX FRANKI

MACHINES FOR THE MANUFACTURE OF CONCRETE, SUCH AS STEAM ROLLERS, CRUSHERS, TRANSPORTERS, COMPRESSORS, MECHANICAL PILE DRIVERS, SCREW PUMP COMPRESSORS, FILTRATING APPARATUS, EXCAVATORS; AND MECHANICAL, PNEUMATIC, AND HYDRAULIC APPARATUS FOR DRILLING AND FORCING IN PILES AND PILE PLANKS; AND MECHANICAL, PNEUMATIC, AND HYDRAULIC APPARATUS FOR THE DIGGING OF GALLERIES AND TUNNELS