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Patents > National tech categories: FR 6.4 & IPCs: IPC B64B1/00 & Number of text pages: 3-4

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Office:
Inventors:
None (4) · Marie-François-Pierre Vialard-Goudou (2) · Louis-Étienne Roze (2)
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Applicant person:
None (7) · Marie-François-Pierre Vialard-Goudou (2) · Louis-Étienne Roze (2)
Applicant is inventor:
Tech fields:
LTA (43) · navigation (12) · balloon (11) · frame (11) · construction (9) · dirigible (8) · dirigibles (8) · design (6) · airship (6) · propulsion (6) · hybrid (5) · compartments (4) · Aerostat (4) · stability (4) · rigid (4) · gas (3) · balloons (3)
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None (4)
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