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GB883577A
|
|
An improved centrifugal dust extractor
|
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GB825239A
|
|
Improvements in and connected with arc melting furnaces
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GB780435A
|
|
Improvements in air or gas heaters with heat storage means
|
|
US2817907A
|
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Drying apparatus
|
|
GB760614A
|
|
Improvements in or relating to coil annealing furnaces
|
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US2781188A
|
|
Means for cooling the load of a coil annealing furnace or the like
|
|
GB723821A
|
|
Improved means for cooling the load of a coil annealing furnace
|
|
GB703174A
|
|
An improved apparatus for filtering dust from gases
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|
US2453447A
|
|
Filter for gaseous mediums
|
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GB574472A
|
|
Apparatus for washing or otherwise treating with liquid, air or other gases
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