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GB191312774A
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Improvements in or relating to Blow Pipes and to the Method of Employing the same.
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CA145993A
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Liquid air separation
|
|
GB191015999A
|
|
Improvements in or relating to the Fractional Distillation of Liquefied Air and like Gaseous Substances.
|
|
GB191003316A
|
|
An Improved Method of and Means for Liquefying Gases with a Low Boiling Point.
|
|
US979762A
|
|
Heat-exchange piping.
|
|
GB190930404A
|
|
Improvements in and relating to Conduits for Temperature Exchanging Apparatus.
|
|
US962836A
|
|
Process of cooling and liquefying gases.
|
|
GB190726186A
|
|
Improvements in or relating to Refrigerating or Cooling by Means of the Expansion of Compressed Gases and Apparatus therefor
|
|
GB190725517A
|
|
Improvements in or relating to the Cooling and Liquefying of Gases and Apparatus therefor
|
|
GB190701828A
|
|
Improvements in or relating to Expansion Refrigerators.
|
|
US963555A
|
|
Refrigerating or cooling apparatus.
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