The Red/White Triangle

ID: 394642
? The Red/White Triangle 
04.Mar.16 14:57
31

Lars-G. Lundelin (FIN)
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What does the red/white triangle on the back cover of certain German radios stand for?
Lars-G.
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 2
VDRI or VDFI 
04.Mar.16 16:52
31 from 2369

Hans M. Knoll (D)
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Hans M. Knoll

Please read here   and if you want. also here

 only in german

 

Bevor 1933 VDRI Verband der  Radionindustrie. After 1933 VDFI Verband der Funkindustrie.

knoll 

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The Red White Triangle 
04.Mar.16 17:52
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Lars-G. Lundelin (FIN)
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Vielen Dank fur die Antwort Herr Knoll!
 
This mark has been discussed several times, now we got it, thanks.
 
 Grussen.
 
 
Lars-G.

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 4
Allright 
04.Mar.16 19:27
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Hans M. Knoll (D)
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Hans M. Knoll

 5
VDFI Warnung 
07.Mar.16 12:30
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Dietmar Rudolph † 6.1.22 (D)
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Dietmar Rudolph † 6.1.22

Warnung des Verbandes der Funk-Industrie vor dem unberechtigten Gebrauch von Telefunken Patenten. Die Bau-Erlaubnis war von Telefunken lizenziert.

MfG DR

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