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Patents > Related to aircraft : Yes or 1 & National tech categories : FR 6.4 or USPC 244/233

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FR (1667) · DE (257) · US (211) · GB (133) · IT (60) · AT (59) · BE (58) · RU (40) · CH (34) · HU (22) · RO (21) · DZ (20) · AU (18) · CA (13) · DK (10) · ES (10) · NL (10) · VN (8) · None (7) · EG (7)
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None (2475) · Société Anonyme des Établissements Nieuport (10) · Jacob Lohner & Co. (9) · Établissements de Dion-Bouton (7) · Aéroplanes Morane-Saulnier (7) · British and Colonial Aeroplane Co. (7) · Société anonyme Astra AB (7) · Société Antoinette (4) · Siemens-Schuckert Werke GmbH (4) · Société anonyme des appareils d'aviation Hanriot (4) · J. Schweitzer et Cie (4) · Société Zodiac‎ (4)
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