Etrich Flugzeugwerke (EFW) was a short-lived aircraft manufacturer founded by Igo Etrich.
[1] The company became part of Brandenburgische Flugzeugwerke in 1914,[1] which then, in turn, became part of Hansa-Brandenburg.
Some of the planes were manufactured in Trautenau (today Trutnov, Czech Republic) and others in Liebau (today Lubawka, Poland).
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