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Patents > National tech categories: FR 6.4 & IPCs: IPC B64B1/58 & Number of text pages: 2-4

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Inventors:
None (6) · Leonardo Torres Quevedo (3) · Édouard Surcouf (3) · Johann Schütte (2) · Mabel Baron (2) · Gaston Sencier (2) · Amable-Joseph Raynaud (2) · Francis Edward Baron (2) · Adolphe Clément-Bayard (2)
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None (10) · Mabel Baron (2) · Adolphe Clément-Bayard (2) · Johann Schütte (2) · Amable-Joseph Raynaud (2) · Francis Edward Baron (2) · Leonardo Torres Quevedo (2)
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Tech fields:
LTA (55) · frame (13) · balloon (11) · construction (8) · Navigation (8) · Dirigible (7) · airship (6) · envelope (5) · stability (5) · dirigibles (5) · balloons (5) · texture (5) · design (4) · fabric (4) · ballonet (4)
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None (4)
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