OC74
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| Usage in Models | 1= 1957 ; 3= 1958?? ; 1= 1958? ; 7= 1958 ; 5= 1959?? ; 6= 1959? ; 54= 1959 ; 33= 1960?? ; 19= 1960? ; 131= 1960 ; 8= 1961?? ; 19= 1961? ; 174= 1961 ; 24= 1962?? ; 44= 1962? ; 156= 1962 ; 12= 1963?? ; 17= 1963? ; 94= 1963 ; 11= 1964?? ; 7= 1964? ; 35= 1964 ; 25= 1965?? ; 2= 1965? ; 20= 1965 ; 3= 1966?? ; 2= 1966? ; 11= 1966 ; 2= 1967?? ; 1= 1967? ; 7= 1968?? ; 1= 1968 ; 1= 1969?? ; 1= 1969 ; 3= 1970?? ; 1= 1972? ; 5= 9999 |
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):946
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