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| Budapesti Rádiótechnikai Gyár |
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| Corona |
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| Crosley Radio Corporation |
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| D.V.Béhar |
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| Dr.Nesper |
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| Dr.Schubert a Berger, s.r.o. |
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| | Dr.Schubert a Berger, s.r.o. | | ESBE 129 | R | 1933? - | | | | |
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| DUV Zlatník |
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| Eduard Diessl |
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| ELEKTRA n.p. |
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| Elektrokord |
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| Elektronska Industria, Niš |
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| ELPROM, Sofia |
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| Emud |
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| ETA |
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| Europhon, Miláno |
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| Francúzky výrobca |
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| General Electric |
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