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Ferdinand von Zeppelin

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Ferdinand von Zeppelin's Patent Number: 621195 for a Navigable Balloon
Ferdinand von Zeppelin PATENT NUMBER: 621195

Ferdinand von Zeppelin PATENT NUMBER: 621195 for a Navigable Balloon granted on March 14, 1899

USPTO
PATENT NUMBER: 621195
TITLE: Navigable Balloon
March 14, 1899
Ferdinand von Zeppelin

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