Does anyone know the history of the type of chair. I've read they were made in Yugoslavia. Are they simply a low end / knock-off chair? Is it a copy of another chair? Is there a designer associated to them? I've seen a few examples of these (chairs and rockers) and would like to know more. 
It's a knockoff of
Hans Wegner's CH25 chair.
https://www.google.com/search?q=hans+wegner+CH25&hl=en&client=firefox-a&...
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