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History of the manufacturer  

Dandong Nr.4 丹东无线电四厂 Dandong Nr.4 Radio Factory; Dandong (Liaoning, NE)

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Name: Dandong Nr.4 丹东无线电四厂 Dandong Nr.4 Radio Factory; Dandong (Liaoning, NE)    (PRC)  
Abbreviation: dandong4RF
Products: Model types
Summary:

Dandong Nr.4 Radio Factory; Dandong (Liaoning, NE) 丹东无线电四厂: Brands: Shuanghuan 双环

History:

Dandong Nr.4 Radio Factory; Dandong (Liaoning, NE) 丹东无线电四厂:

Liáo​níng​ 辽宁, trad. 遼寧 or Liáo​níng​shěng​ 辽宁省, trad. 遼寧省 (shěng​ 省 = province): The province Liaoning (Fengtien) is in Northeast China (NE), abbr. 遼|辽. The capital is Shenyang 瀋陽|沈阳.
无线电厂, trad. 無線電廠 (Radio Factory) = Wú​xiàn​diàn ​无线电 = Wireless (we call it Radio, because most used); Chǎng​ 厂 trad. 廠 = Factory (yard / depot / workhouse / works / (industrial).

Brands: Shuanghuan 双环 = "Double Ring".


Some models:
Country Year Name 1st Tube Notes
PRC  72 Shuanghuan 双环 712 3AG23  The radio model Shuanghuan 双环 712 (Double Ring) offers the following key features 主要性能: Fr... 

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