|
GB563459A
|
|
Means for reduction or suppression of dust in coal-cutting
|
|
GB563438A
|
|
Means for reduction or suppression of dust in coal cutting
|
|
GB559380A
|
|
Means for reduction or suppression of dust in coal-cutting
|
|
GB554027A
|
|
Improvements in or relating to gas filters and to mine dust extractors
|
|
GB546289A
|
|
Improvements in or relating to the reduction of dust in coal mines
|
|
GB546239A
|
|
Improvements in or relating to apparatus for heating air
|
|
GB546240A
|
|
Improvements in or relating to the treatment of dust-laden air
|
|
GB479495A
|
|
Laddering and ruffling preventing in silk and other fabrics
|
|
GB397396A
|
|
Improvements in rotary fluid pumps
|
|
GB400071A
|
|
New or improved powder distributor
|
|
GB393743A
|
|
Improved apparatus for heating water
|
|
GB368494A
|
|
Improvements in paint spraying machines
|
|
GB333908A
|
|
Improvements in apparatus for the spraying of paint or other liquids
|
|
GB142152A
|
|
Improvements in artists' air brushes
|
