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optional

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ID = 191
       
 
   
Tube type:  Link, Place holder   Text 
Identical to optional

Description

Die Röhre hinter diesem Ausdruck ist nicht zwingend und entfällt oft, wenn der Apparat nur für Gleichstrom gekauft wurde.

 
Text in other languages (may differ)

Usage in Models 1= 1929 ; 2= 1930 ; 1= 1931 ; 1= 1932 ; 1= 1933 ; 5= 1934 ; 17= 1935 ; 22= 1936 ; 1= 1937? ; 18= 1937 ; 25= 1938 ; 10= 1939 ; 1= 1942 ; 2= 1948 ; 1= 1950?? ; 9= 1952 ; 1= 1959

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):118
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

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