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US1274970A
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Method of producing and separating liquefied gas.
|
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US1218503A
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Welding-tool.
|
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US1240397A
|
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Apparatus for producing liquefied gas.
|
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GB191028420A
|
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An Improvement in or relating to Inverted Incandescent Gas Burners.
|
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US1064272A
|
|
Apparatus for making ice.
|
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US952089A
|
|
Welding-tool.
|
|
US1026066A
|
|
Connection for pressure-tanks.
|
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CA117626A
|
|
Liquified combustible gas and method of making same
|
|
US928729A
|
|
Liquid gas suitable for illuminating and heating purposes and method of making said gas.
|
|
GB190718254A
|
|
Improvements in or relating to a Gas-cooling Apparatus for use in a Plant for Absorbing Oil Gas under Pressure in Petroleum.
|
|
US909125A
|
|
Apparatus for treating distillation-gases.
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