Hansa-Brandenburg W.33, a 1920s German two-seat, low winged single-engined seaplane
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Junkers W 33, a 1926 German-built, single-engine, passenger- and transport aircraft
Junkers W 34, single-engine light transport+reconnaissance (development of W33), 1933.
Junkers W 34, single-engine light transport+reconnaissance (development of W33), 1933