PL282279A1
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Method of obtaining modified polytetrafluoroethylene dispersion
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PL282278A1
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Apparatus for producing vapour-gas mixtures in particular consisting of silicium component vapour and hydrogen
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PL282018A1
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Method of oxidizing cyclohexane
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PL281591A1
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Formalin concentration method
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PL281177A1
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Method and device for purifying teichlorsilane
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PL281094A1
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Method for manufacturing polytetrafluoroethylene
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PL281054A1
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Method for manufacturing pure trioxane
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PL280954A1
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Trioxane obtaining method
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PL280953A1
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Method of obtaining acrylamide solution
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YU11682A
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Process for the elimination of the solvent from the extract in the extraction of caprolactame
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GB1216019A
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Improvements in and relating to a process for the production of nitric oxide
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