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Patents > Application number : 1912684947 or None & National tech categories: FR 6.3

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None (142) · Comte Antoine Apraxine (5) · Georg Wellner (4) · Gaston Tissandier (3) · Koch (3) · Jean Dusséqué (3) · Guégnot (3) · Gignoux (3) · Gentil (3) · de Préneuf (3) · Folacci (3)
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Tech fields:
navigation (102) · LTA (101) · propulsion (84) · balloon (45) · aerostat (38) · Dirigible (33) · airship (24) · airplane (23) · balloons (23) · None (22) · construction (17) · stability (15) · dirigibles (14) · safety (14) · propellers (13) · ascension (12) · instrument (10) · electricity (9) · frame (9) · infrastructure (9)
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Supplementary to patent:
None (319) · Patent FR-1881-142748 (3) · Patent FR-1878-124576 (3) · Patent DE-1892-73603 (2) · Patent FR-1891-217128 (2) · Patent FR-1892-225358 (2) · Patent FR-1893-228892 (2) · Patent FR-1893-233439 (2) · Patent FR-1881-143296 (2) · Patent FR-1898-275602 (2) · Patent FR-1897-271948 (2) · Patent FR-1890-205155 (2)
Related to aircraft:
Patent agent:
None (153) · Armengaud jeune (19) · Blétry aîné (17) · Desnos (15) · Chassevent (15) · Armengaud aîné (11) · Société Marillier et Robelet (11) · Dumas (8) · Dieuaide (8) · Casalonga (6) · Société Louis Gudman et Cie (6) · Émile Barrault (6) · Thirion (5) · Société Matray frères (5) · Josse (5) · Nauhardt (4) · Fayollet (4) · Blétry frères (4)
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