Patent FR-1855-23672
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Year filed | 1855 |
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Year granted | |
Office | FR |
Patent number | 23672 |
Inventors | Gry |
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Applicant is inventor? | 1 |
Original title | direction des aérostats |
English title | dirigible navigation |
Tech fields | LTA, navigation |
Filing date | 1855-05-30 |
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Granted? | 1 |
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Related to aircraft? | Yes |
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Family year | 1855 |
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