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Patents > Office : AT or IT or MX or NZ & Supplementary to patent : Patent GB-1909-12556 or Patent NO-1915-12-15 Carl Alfred Johansson or None

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None (185) · Heinrich Bier (6) · Reinhold Richter (6) · Ludwig Schmidl (4) · Ugo Antoni (4) · Guido Antoni (4) · Alfred E. Wunderlich (3) · Ignaz Etrich (3)
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Tech fields:
airplane (134) · frame (61) · LTA (58) · propulsion (43) · None (42) · design (40) · wings (38) · propeller (37) · Construction (33) · stability (32) · Subsystem (27) · navigation (27) · whole (23) · Propellers (23) · Airship (19) · marine (19) · aerodynamics (18) · balloon (16) · wheels (15) · Tragfläche (15)
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