EP0560882A1 
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            1993-09-22 
            
            
           
          Procede de fabrication de produits phospho-azotes 
        
         
        
          
            
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                (fr )
               
            
            
           
          
            1986-10-24 
            
            
           
          Procede de fabrication d'un composite fertilisant phosphore-ameliorant 
        
         
        
          
            
                BE462555A 
                (forum.php )
               
            
            
           
          
             
           
        
          
            
                BE462502A 
                (forum.php )
               
            
            
           
          
             
           
        
          
            
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                (forum.php )
               
            
            
           
          
             
           
        
          
            
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                (en )
               
            
            
           
          
            1919-02-04 
            
            
           
          Manufacture of fertilizer material. 
      
         
        
          
            
                SU1724653A1 
                (ru )
               
            
            
           
          
            1992-04-07 
            
            
           
          Способ получени обогащенного суперфосфата 
        
         
        
          
            
                CH255103A 
                (fr )
               
            
            
           
          
            1948-06-15 
            
            
           
          Procédé de fabrication d'un engrais phosphaté. 
        
         
        
          
            
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                (forum.php )
               
            
            
           
          
             
           
        
          
            
                BE546582A 
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                SU1379297A1 
                (ru )
               
            
            
           
          
            1988-03-07 
            
            
           
          Способ получени обогащенного суперфосфата 
        
         
        
          
            
                US345625A 
                (en )
               
            
            
           
          
            1886-07-13 
            
            
           
          Process of making phosphates  
         
        
          
            
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                (forum.php )
               
            
            
           
          
             
           
        
          
            
                AT85735B 
                (de )
               
            
            
           
          
            1921-09-26 
            
            
           
          Verfahren zur direkten Herstellung eines Stickstoff und wasserlösliche Phosphorsäure entahltenden festen Düngemittels. 
        
         
        
          
            
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                BE472862A 
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