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US2052920A
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Process of producing calcium cyanamide
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GB379493A
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Improvements in or relating to the manufacture of lime nitrogen
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GB370278A
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Improvements in or relating to processes for the production of ammonium nitrate
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GB355178A
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Process for the catalytic oxidation of ammonia
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GB360765A
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Process for the production of calcium carbide and phosphorus
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US1899259A
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Process of refrigeration
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US1922230A
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Process of preparing cyanamid
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GB341386A
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A process for producing calcium carbamate
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GB339194A
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Improvements in or relating to cooling agents
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GB347641A
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Improvements in or relating to the fixation of ammonianitrogen
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GB349001A
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Improvements in or relating to the fixation of ammonianitrogen
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GB344826A
|
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A process for preparing concentrated nitric acid
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GB332468A
|
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An improved process for the production of the cyanamides of the alkaline earth metals and magnesium
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GB338566A
|
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Process for the production of nitric acid from ammonia
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GB337847A
|
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A process for working up oxides of nitrogen
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GB338497A
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Process for the separation of constituents from gas or vapour mixtures
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US1989267A
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Production of nitric acid and liquid nitrogen tetroxide
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US2018249A
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Process of carrying through gas reactions
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GB279419A
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An improved process for the production of calcium cyanamide or mixtures containing the same
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GB286282A
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An improved process for the production of an alkaline reacting nitrogeneous fertiliser with gradable alkalinity
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