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US3993466A
|
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Fertilizer production
|
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IE34128L
|
|
Method and plant for effecting mass transfer processes
|
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IE32151L
|
|
Fertiliser production
|
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IL30186D0
|
|
Production of potassium-and phosphorus-containing fertilizer
|
|
GB657950A
|
|
Improvements in and relating to a toothpaste containing aluminium hydroxide
|
|
DE550684C
|
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Reinforcement for round reaction towers for the production of sulfuric acid
|
|
GB191400369A
|
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Bottom or Auxiliary Bottom for use in the Emptying of Holders, Silos, Reaction Chambers for Superphosphates, and the like.
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CA917389A
|
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Method and plant for effecting mass transfer processes
|
|
CA860248A
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Fertilizer production
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