US1607326A
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Process of prducing thiourea
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CA173159A
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Ammonium nitrate, etc.
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CA173158A
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Nitric acid, etc.
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CA173157A
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Nitric acid, etc.
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US1217247A
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Process of making ammonium nitrate and other products.
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US1206063A
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Process of making nitric acid and other products.
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US1206062A
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Process of making nitric acid and other products.
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CA168111A
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Ammomium phosphate production
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CA168112A
|
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Fertilizer
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CA168256A
|
|
Ammonium phosphate production
|
CA168257A
|
|
Mono-ammonium phosphate
|
CA165846A
|
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Fertilizer production
|
US1151633A
|
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Fertilizer material and process of producing the same.
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CA162803A
|
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Fertilizer
|
US1151074A
|
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Apparatus for making ammonium phosphate.
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CA164857A
|
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Production of nitrose gases
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US1135639A
|
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Fertilizer containing lime nitrogen and tankage material.
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CA165845A
|
|
Fertilizer
|
US1142068A
|
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Process of making mono-ammonium phosphate.
|
CA162802A
|
|
Fertilizer
|