|
GB518012A
|
|
Improvements in and relating to furnace covers
|
|
GB514337A
|
|
Recuperative soaking pit furnace
|
|
GB518011A
|
|
Improvements in furnaces for heating steel ingots
|
|
GB491814A
|
|
Method of and furnace for heating steel ingots
|
|
GB374840A
|
|
Improvements in glass blowing machine
|
|
GB331315A
|
|
Improvements in gas fired furnaces
|
|
GB333596A
|
|
Improvements in furnaces
|
|
GB332271A
|
|
Improvements in driving mechanism for conveyors
|
|
GB336596A
|
|
Improvements in annealing furnaces
|
|
DE550441C
|
|
Glass melting furnace
|
|
GB325238A
|
|
Improvements in glass melting apparatus
|
