| electron Tube Data sheets |
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| Type Index |
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| Tubedata home www.tubedata.org - Frank Philipse |
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| Mirror hosted by Gdansk University of Technology - Ryszard Jan Barczynski |
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| Mirror hosted by Pocnet - Patrik Schindler |
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| Mirror hosted by Wildcat - Jörg Jan Münter |
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| Mirror hosted by Tigahost - Aka Ho |
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| Mirror hosted by JA6FUF & JH1XHX - Kazuichi Shinjo (experimental) |