Antique radios, Old Time Radios
4687A
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Country:
Great Britain (UK)
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| Identical to |
4687A
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Ec)
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| Filament |
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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4687A: Technical Data Mullard
Heinz Höger
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Just Qvigstad
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4687A: Technical Data Mullard
Heinz Höger
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