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Patents > Inventor country : CH or DE or HU or RU & Grant date: 1910 - 1919 & Number of claims: 1-2 & Number of diagram pages: None

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LTA (11) · airplane (7) · balloons (6) · Texture (5) · gas (4) · Fabric (3) · Envelope (2) · method (2) · instrument (2) · fueling (2) · lift (2) · design (2) · construction (2) · stability (2) · subsystem (2) · airship (2)
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