Hydraulic shovel arm or similar linkage device and connecting rod, carrying hook for gripping the tools.
FR2699569A1
Shielding profile for trenches and excavations with versatile support systems.
FR2691184A1
Method for making armored trenches using sheet pile guide cages and sheet pile protective helmets.
FR2682408A1
Apparatus for adjusting the bottom of excavation from a hydraulic shovel.
FR2682405A1
Continuously coated cutter by alternative movements.
FR2682409A1
Method of laying pipes, in unhabited trenches, by remote controls.
FR2682449A1
Apparatus for handling and packing pipes from a hydraulic shovel.
FR2680265A1
Signal lights with built-in multifunction communication
FR2676766A1
Quick interchangeability device for construction site tool carriers for piling a large number of elements.
FR2676765A1
Device for mechanical, hydraulic and electric coupling instantaneously, automatically, and controlled remotely
FR2666065A1
Method of fighting forest fires by means of interchangeable containers for large-scale release
FR2661199A1
Curbs fitted with housings for interchangeable posts or road signalling markers
FR2655587A1
Percussive tool head such as a spade, chisel etc. with a groove for evacuating dust
FR2651139A2
Fire-fighting method and remotely guided airborne means relating thereto
FR2651220A1
Retractable electric magnet.
FR2647482A2
Device for rapid interchangeability on earthmoving machines and on vibrator under machine and device for quick taking on tools for quick interchangeability of all elements between them
FR2638194A3
Improvement to the safety and working conditions on the masonry trestle
FR2638193A1
Improvement to the safety and working conditions on the masonry trestle
