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Category:Oskar Bider

English: Oskar Bider (July 12, 1891 in Langenbruck – July 7, 1919 in Dübendorf) was a Swiss aviation pioneer. He was co-initiator of the latter Swiss Air Force and of the Ad Astra Aero airline.


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Media in category "Oskar Bider"

The following 10 files are in this category, out of 10 total.