Help to identify valve tube

ID: 546481
? Help to identify valve tube 
16.Nov.20 04:02
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Jose Maria Maseda (E)
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Count of Thanks: 3

   Please, help to identify this tube. Thanks

 

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Help to identify valve tube 
16.Nov.20 06:40
10 from 854

Otmar Jung (D)
Editor
Articles: 287
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