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Patents > National tech categories : FR 6.3 or USPC 244/90R & Number of text pages: None

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LTA (108) · navigation (105) · propulsion (84) · None (56) · balloon (44) · aerostat (38) · dirigible (35) · airship (24) · balloons (23) · airplane (22) · stability (16) · safety (15) · dirigibles (14) · construction (14) · propellers (11) · ascension (11) · instrument (10)
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None (399)
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None (372) · Patent FR-1878-124576 (3) · Patent FR-1881-142748 (3) · Patent FR-1881-143296 (2) · Patent FR-1897-271948 (2) · Patent FR-1898-275602 (2) · Patent DE-1892-73603 (2) · Patent FR-1893-233439 (2) · Patent FR-1893-228892 (2) · Patent FR-1892-225358 (2) · Patent FR-1891-217128 (2) · Patent FR-1890-205155 (2)
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None (207) · Armengaud jeune (19) · Blétry aîné (17) · Desnos (15) · Chassevent (15) · Société Marillier et Robelet (12) · Armengaud aîné (10) · Dieuaide (9) · Dumas (8) · Société Louis Gudman et Cie (7) · Émile Barrault (6) · Casalonga (6) · Société Matray frères (5) · Josse (5) · Thirion (5) · Blétry frères (4) · Nauhardt (4) · Fayollet (4)
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