|
ES130846A1
|
|
Device for rapid heating of tars, bitumens or similar materials.
|
|
ES130802A1
|
|
Improvements in the devices to extend and distribute the gravel in the coatings of the roads.
|
|
ES130724A1
|
|
Improvements in the circulation devices of a fluid more especially usable for a rapid liquefaction of the thick matters.
|
|
ES129365A1
|
|
Coating process for all kinds of applications and especially for the coating of roads with their means to execute this procedure.
|
|
GB396625A
|
|
Improvements in or relating to apparatus for treating roads and other surfaces
|
|
ES109680A1
|
|
A machine to spread the sand or gravel in the roadways.
|
|
ES105921A1
|
|
Centrifugal spreader to spread road maintenance products.
|
|
CA337604A
|
|
Road material coating process and apparatus
|
