|
GB969449A
|
|
Improvements in or relating to prestressed structural members
|
|
GB911095A
|
|
Improvements in prestressed concrete
|
|
GB745120A
|
|
Improvements in structural members for buildings and the like
|
|
GB560566A
|
|
Improvement in reinforced concrete construction and in methods of their production
|
|
GB561400A
|
|
Improvements in reinforced concrete construction and in methods of, and apparatus for, their production
|
|
GB560567A
|
|
Pitched roof construction made from concrete or the like material
|
|
GB560822A
|
|
Floor of prefabricated joists
|
|
GB556572A
|
|
An improved manufacture of structures from reinforced materials
|
|
GB554693A
|
|
Improvements in reinforced concrete structures and in the manufacture thereof
|
|
GB555406A
|
|
Improvements in or relating to half-tubular reinforced concrete beams for use in building construction
|
|
GB555080A
|
|
Improvements in or relating to half-tubular reinforced concrete beams for building construction
|
