| JP46011409A
            
            
              JPS5147074B1
                (enrdf_load_html_response) | 1971-03-03 | 1971-03-03 |  | 
        
          | US00229914A
            
            
              US3809638A
                (en) | 1971-03-02 | 1972-02-28 | Device for measuring an activity of manganous ions | 
        
          | US00229961A
            
            
              US3796642A
                (en) | 1971-03-02 | 1972-02-28 | Method and device for measuring the activity of nickel ions | 
        
          | US00229813A
            
            
              US3741883A
                (en) | 1971-03-02 | 1972-02-28 | Device for measuring an activity of cadmium ions | 
        
          | US00229913A
            
            
              US3798147A
                (en) | 1971-03-02 | 1972-02-28 | Device for measuring an activity of zinc ions | 
        
          | US00229909A
            
            
              US3806438A
                (en) | 1971-03-02 | 1972-02-28 | Device for measuring an activity of lead ions | 
        
          | US00229912A
            
            
              US3813324A
                (en) | 1971-03-02 | 1972-02-28 | Device for measuring an activity of cobaltous ions | 
        
          | US00229911A
            
            
              US3809637A
                (en) | 1971-03-02 | 1972-02-28 | Device for measuring an activity of cupric ions | 
        
          | US00229812A
            
            
              US3809636A
                (en) | 1971-03-02 | 1972-02-28 | Device for measuring an activity of silver ions | 
        
          | CA135,786A
            
            
              CA961105A
                (en) | 1971-03-02 | 1972-02-29 | Device for measuring an activity of lead ions | 
        
          | NL7202638A
            
            
              NL7202638A
                (enrdf_load_html_response) | 1971-03-02 | 1972-02-29 |  | 
        
          | CA135,789A
            
            
              CA961108A
                (en) | 1971-03-02 | 1972-02-29 | Device for measuring an activity of silver ions | 
        
          | CA135,783A
            
            
              CA961102A
                (en) | 1971-03-02 | 1972-02-29 | Device for measuring an activity of chromium(iii) ions | 
        
          | NL7202631A
            
            
              NL7202631A
                (enrdf_load_html_response) | 1971-03-02 | 1972-02-29 |  | 
        
          | NL7202632A
            
            
              NL7202632A
                (enrdf_load_html_response) | 1971-03-02 | 1972-02-29 |  | 
        
          | CA135,790A
            
            
              CA961109A
                (en) | 1971-03-02 | 1972-02-29 | Device for measuring an activity of zinc ions | 
        
          | CA135,782A
            
            
              CA961101A
                (en) | 1971-03-02 | 1972-02-29 | Device for measuring an activity of cadmium ions | 
        
          | CA135,787A
            
            
              CA961106A
                (en) | 1971-03-02 | 1972-02-29 | Device for measuring an activity of manganous ions | 
        
          | NL7202635A
            
            
              NL7202635A
                (enrdf_load_html_response) | 1971-03-02 | 1972-02-29 |  | 
        
          | NL7202637A
            
            
              NL7202637A
                (enrdf_load_html_response) | 1971-03-02 | 1972-02-29 |  | 
        
          | NL7202634A
            
            
              NL7202634A
                (enrdf_load_html_response) | 1971-03-02 | 1972-02-29 |  | 
        
          | CA135,788A
            
            
              CA961107A
                (en) | 1971-03-02 | 1972-02-29 | Device for measuring an activity of nickel ions | 
        
          | NL7202636A
            
            
              NL7202636A
                (enrdf_load_html_response) | 1971-03-02 | 1972-02-29 |  | 
        
          | CA135,785A
            
            
              CA961104A
                (en) | 1971-03-02 | 1972-02-29 | Device for measuring an activity of cupric ions | 
        
          | CA135,784A
            
            
              CA961103A
                (en) | 1971-03-02 | 1972-02-29 | Device for measuring an activity of cobaltous ions | 
        
          | NL7202630A
            
            
              NL7202630A
                (enrdf_load_html_response) | 1971-03-02 | 1972-02-29 |  | 
        
          | NL7202633A
            
            
              NL7202633A
                (enrdf_load_html_response) | 1971-03-02 | 1972-02-29 |  | 
        
          | FR7207102A
            
            
              FR2127913A5
                (enrdf_load_html_response) | 1971-03-02 | 1972-03-01 |  | 
        
          | IT48677/72A
            
            
              IT952044B
                (it) | 1971-03-02 | 1972-03-01 | Dispositivo per misurare l attivi ta di ioni cadmio | 
        
          | IT48673/72A
            
            
              IT957528B
                (it) | 1971-03-02 | 1972-03-01 | Dispositivo per misurare l attivi ta di ioni cromo iii | 
        
          | FR7207099A
            
            
              FR2127910A5
                (enrdf_load_html_response) | 1971-03-02 | 1972-03-01 |  | 
        
          | IT48675/72A
            
            
              IT952042B
                (it) | 1971-03-02 | 1972-03-01 | Dispositivo per misurare l attivita di ioni zinco | 
        
          | IT48681/72A
            
            
              IT957529B
                (it) | 1971-03-02 | 1972-03-01 | Dispositivo per misurare l attivi ta di ioni piombo | 
        
          | FR7207105A
            
            
              FR2127916A5
                (enrdf_load_html_response) | 1971-03-02 | 1972-03-01 |  | 
        
          | FR7207100A
            
            
              FR2127911A5
                (enrdf_load_html_response) | 1971-03-02 | 1972-03-01 |  | 
        
          | IT48680/72A
            
            
              IT952047B
                (it) | 1971-03-02 | 1972-03-01 | Dispositivo per misurare l attivi ta di ioni rameici | 
        
          | FR7207106A
            
            
              FR2127917A5
                (enrdf_load_html_response) | 1971-03-02 | 1972-03-01 |  | 
        
          | FR7207107A
            
            
              FR2127918A5
                (enrdf_load_html_response) | 1971-03-02 | 1972-03-01 |  | 
        
          | IT48674/72A
            
            
              IT952041B
                (it) | 1971-03-02 | 1972-03-01 | Dispositivo per misurare l attivita di ioni manganosi | 
        
          | FR7207103A
            
            
              FR2127914A5
                (enrdf_load_html_response) | 1971-03-02 | 1972-03-01 |  | 
        
          | IT48676/72A
            
            
              IT952043B
                (it) | 1971-03-02 | 1972-03-01 | Dispositivo per misurare l attivita di ioni cobaltosi | 
        
          | IT48678/72A
            
            
              IT952045B
                (it) | 1971-03-02 | 1972-03-01 | Dispositivo per misurare l attivita di ioni nickel | 
        
          | FR7207101A
            
            
              FR2127912A5
                (enrdf_load_html_response) | 1971-03-02 | 1972-03-01 |  | 
        
          | FR7207104A
            
            
              FR2127915A5
                (enrdf_load_html_response) | 1971-03-02 | 1972-03-01 |  | 
        
          | IT48679/72A
            
            
              IT952046B
                (it) | 1971-03-02 | 1972-03-01 | Dispositivo per misurare l attivita di ioni argento | 
        
          | DE19722210533
            
            
              DE2210533A1
                (de) | 1971-03-02 | 1972-03-02 | Vorrichtung zur Messung der Nickelionenaktivität | 
        
          | DE19722210530
            
            
              DE2210530C3
                (de) | 1971-03-02 | 1972-03-02 | Elektrode zum Messen der Zinkionenaktivität | 
        
          | GB977572A
            
            
              GB1313989A
                (en) | 1971-03-02 | 1972-03-02 | Determination of cobaltous ion concentration in solutions | 
        
          | DE19722210531
            
            
              DE2210531A1
                (de) | 1971-03-02 | 1972-03-02 | Gerät zur Messung einer Aktivität von Cadmiumionen | 
        
          | DE19722210527
            
            
              DE2210527C3
                (de) | 1971-03-02 | 1972-03-02 | Elektrode zum potentiometrischen Messen von Kupfer-ll-ionenaktivitäten | 
        
          | DE19722210532
            
            
              DE2210532A1
                (de) | 1971-03-02 | 1972-03-02 | Vorrichtung zur Messung der Silberionenaktivität | 
        
          | DE19722210526
            
            
              DE2210526C3
                (de) | 1971-03-02 | 1972-03-02 | Elektrode zum potentiometrischen Messen von Chrom-Ill-Ionenaktivitäten | 
        
          | GB977772A
            
            
              GB1310088A
                (en) | 1971-03-02 | 1972-03-02 | Determination of manganous ion concentration in solutions | 
        
          | DE19722210528
            
            
              DE2210528C3
                (de) | 1971-03-02 | 1972-03-02 | Vorrichtung zum Messen einer Manganionenaktivität | 
        
          | GB977172A
            
            
              GB1328946A
                (en) | 1971-03-02 | 1972-03-02 | Determination of nickel ion concentration in solutions | 
        
          | GB977872A
            
            
              GB1310089A
                (en) | 1971-03-02 | 1972-03-02 | Determination of cadmium ion concentration in solutions | 
        
          | GB977472A
            
            
              GB1310086A
                (en) | 1971-03-02 | 1972-03-02 | Determination of cupric ion concentration in solutions | 
        
          | GB977672A
            
            
              GB1310087A
                (en) | 1971-03-02 | 1972-03-02 | Determination of zinc ion concentration in solutions | 
        
          | GB977372A
            
            
              GB1330443A
                (en) | 1971-03-02 | 1972-03-02 | Determination of chromium iii ion concentration in solutions | 
        
          | GB977272A
            
            
              GB1310085A
                (en) | 1971-03-02 | 1972-03-02 | Determination of lead ion concentration in solutions | 
        
          | GB977072A
            
            
              GB1310084A
                (en) | 1971-03-02 | 1972-03-02 | Determination of silver ion concentration in solutions |