|
GB749604A
|
|
A building beam and method for using same in a building construction
|
|
GB666775A
|
|
Means for cutting material in a mould, for instance partly hardened light concrete
|
|
GB647017A
|
|
Improvements in or relating to concrete mixers
|
|
US2572345A
|
|
Mixer for lightweight concrete
|
|
US2522040A
|
|
Mixer for the making of light concrete
|
|
GB638351A
|
|
Improvements in or relating to reinforced concrete building units
|
|
GB616809A
|
|
Improvements in or relating to mixers for use in making light concrete
|
