|
GB595979A
|
|
Improvements in brick making machines of the semi-plastic type
|
|
GB588856A
|
|
Improvements in or relating to semi-plastic brick making machines
|
|
GB539828A
|
|
Improvements in brick making machines of the semi-plastic type
|
|
GB532484A
|
|
Improvements in grinding mills
|
|
GB447544A
|
|
Improvements in methods of making or moulding bricks and in apparatus therefor
|
|
GB421670A
|
|
Improvements in grinding mills
|
|
GB301650A
|
|
Improvements in brick making machines
|
|
GB273863A
|
|
Improvements in brick making machines
|
|
GB273448A
|
|
Improvements in brick making machines
|
|
GB254436A
|
|
Improvements in brick making machinery
|
|
GB231991A
|
|
Improvements in brick making machines
|
