| JP11027873A
            
            
              JPS5315711B2
                (enrdf_load_html_response) | 1973-09-26 | 1973-09-26 |  | 
        
          | CA207,586A
            
            
              CA1031537A
                (en) | 1973-09-13 | 1974-08-22 | Reduction catalyst for removal of nitrogen oxides in exhaust gas | 
        
          | AU72598/74A
            
            
              AU494241B2
                (en) |  | 1974-08-22 | Reduction catalyst for removal of nitrogen oxides in exhaust gas | 
        
          | FR7430298A
            
            
              FR2243732B1
                (enrdf_load_html_response) | 1973-09-13 | 1974-09-06 |  | 
        
          | AT728374A
            
            
              AT344668B
                (de) | 1973-09-13 | 1974-09-10 | Verfahren zur herstellung eines die reduktion von stickoxyden in abgasen bewirkenden bzw. foerdernden katalysators | 
        
          | CH1231774A
            
            
              CH596880A5
                (enrdf_load_html_response) | 1973-09-13 | 1974-09-10 |  | 
        
          | GB3968374A
            
            
              GB1474119A
                (en) | 1973-09-13 | 1974-09-11 | Reduction catalyst for removal of nitrogen oxides in exhaust gas | 
        
          | SE7411524A
            
            
              SE407605B
                (sv) | 1973-09-13 | 1974-09-12 | Reduktionskatalysator for avlegsnandet av kveveoxider i avgaser | 
        
          | SU742063265A
            
            
              SU660571A3
                (ru) | 1973-09-13 | 1974-09-12 | Катализатор дл очистки отход щих газов от окислов азота | 
        
          | IT27226/74A
            
            
              IT1021324B
                (it) | 1973-09-13 | 1974-09-12 | Catalizzatore di riduzione seletti va per depurare gas di scarico da ossidi di azoto e procedimento di riduzione | 
        
          | BR7660/74A
            
            
              BR7407660D0
                (pt) | 1973-09-13 | 1974-09-13 | Catalisador de reducao processo para sua preparacao e processo para a reducao de oxidos de nitrogenio com a aplicacao do dito catalisador | 
        
          | DE2443899A
            
            
              DE2443899C3
                (de) | 1973-09-13 | 1974-09-13 | Verfahren zur Herstellung eines Reduktionskatalysators zur Abscheidung von Stickoxiden aus Abgasen | 
        
          | NL7412183A
            
            
              NL7412183A
                (nl) | 1973-09-13 | 1974-09-13 | Werkwijze ter bereiding van een reduktiekata- lysator voor het verwijderen van stikstofoxyden uit uitlaatgassen. | 
        
          | NL7412538A
            
            
              NL7412538A
                (en) | 1973-09-13 | 1974-09-23 | Redn catalysts for removing nitrogen oxides from waste gases - contg metal components on a synthetic zeolite support |