Improvements relating to methods of forming foundations
GB835804A
Improvements relating to methods of forming foundations
GB803484A
Improvements in or relating to structural building units
GB783624A
Improvements relating to concrete piles
GB748104A
Improvements relating to building structures
GB639399A
Improvement in the design and manufacture of reinforced concrete frameworks by pre-stressing
GB653829A
Improvements in or relating to pre-stressed reinforced concrete arch bridges
GB571901A
Improvements in the method of manufacture of pre-cast pre-stressed concrete structures
GB573833A
Improvement in the method and apparatus for the manufacture of pre-stressed concretepipes for inner pressure
GB565829A
Improvements in the design and manufacture of pre-stressed concrete structures subjected to bending moments in two opposite directions and to shear especially railway sleepers or the like
GB560521A
Improvement in the design and manufacture of pre-stressed concrete railway sleepers
GB554970A
Improvements in the method and apparatus for the manufacture of pre-stressed concrete structures of short length such as railway sleepers or the like
GB556570A
Improvements in and relating to flat slabs or slabs spanning in two directions with precast elements in pre-stressed concrete
GB559847A
Improvements in or relating to pre-stressed concrete structures
