Moulding process and apparatus for making arch-shaped concrete s

Multi-nozzle assembly for extrusion of wall

Organopolysilozane compositions crosslinkable with...

Over the top hinged concrete form and method of using the same

Pile cap assembly and method

Pre-stressed concrete construction

Precast concrete manhole adjustable bolt slot for securing cast

Procedure for the erection of concrete walls using braced boardi

Process and apparatus for forming modular building structures

Process and apparatus for forming poured concrete walls

Process and apparatus for in situ rehabilitation of pipelines

Process for continuously lining a tunnel with extruded concrete

Process for forming arcuate sheet rock panels

Process for forming concrete structures and stripping concrete f

Process for installing a pipe liner

Process for manufacturing a flue made of fiber-reinforced plasti

Process for manufacturing infrastructures based on vitrified...

Process for placing concrete through high head

Process for producing shells, moldings and a detachable insulati

Process for sealing railroad structures