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DE687146C
|
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Evaporator device for low-boiling, liquefied gases
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DE646412C
|
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Process for the operation of plants for the separation of gas mixtures
|
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DE718223C
|
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Altitude breathing apparatus with a reservoir containing liquid oxygen
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DE665745C
|
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Generation of nitrogen by burning fuels with air
|
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DE564339C
|
|
Pressure acetylene generator
|
|
DE540333C
|
|
Device in air liquefaction and separation systems for cleaning the air of vaporous oil contamination
|
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DE490999C
|
|
Process for liquefying and separating gas mixtures
|
|
DE385237C
|
|
Device for the simultaneous separation of gas mixtures, especially air
|
|
DE392717C
|
|
Device for generating breathable air from liquid gas
|
|
DE407622C
|
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Particularly for aircraft in changing air altitudes, a certain process for the release of oxygen gas from liquid oxygen
|
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DE342415C
|
|
Process and device for supplying industry with oxygen and other liquefiable gases in large quantities
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DE378783C
|
|
Ammunition, in particular for dropping from aircraft
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DE387138C
|
|
Method of delivering oxygen gas from liquid oxygen for breathing purposes
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DE378782C
|
|
Ammunition, in particular for dropping from aircraft
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DE386511C
|
|
Device for generating breathable air
|
|
DE380244C
|
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Device for cooling and liquefying air and other similar gases and gas mixtures
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