Category:Detefon

**Detefon**
	brand and model series of Polish crystal radios
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Instance of	model series; brand;
Subclass of	crystal radio;
Country of origin	Poland;
Manufacturer	State Telephone and Radiotechnical Works;
Inception	1930;
Authority file
	Q9206519;
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Media in category "Detefon"

The following 3 files are in this category, out of 3 total.