Roadway blocking device, has partially porous plate-shaped parts attached to crash barrier, where porous plate parts are partially provided with catalyst to convert nitrous oxide in ambient air into nitrate
NL1034071C2
Reinforced steel bridge.
NL1033956C2
Method for applying / removing a joint in a recess between parts of a road surface and a device for thereby covering.
NL1031924C2
Polluted air removal device for installation as barrier next to road, uses accumulator connected to turbines or ventilators to store electricity for e.g. signs and lighting
NL1023757C2
Method and device for pouring concrete.
NL1022669C1
Concrete pouring method used in construction of e.g. walls and floors of house, involves supplying heat to or extracting heat from concrete mortar to adjust its temperature to desired value, and pouring concrete mortar to intended space
NL1018327C2
Vessel equipped with a rinsing space and method for desalinating sand.
NL1015753C2
System comprises hardened surface, particularly parking area for office building, which previously has been satiated with water, with reservoir beneath surface connected to conduit
NL1015324C2
Device and method for drilling in a substrate.
NL1013563C1
Tunnel drilling method for minimizing deformations occurring on surface of ground above tunneling operation involves determining deformation data during drilling, and operating the drill subject to the deformation data
