Drilldown: Patents
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Patents > Year granted:
1909
& Office :
CH or
FR or
SE
& Inventor country :
AU or
CH or
HU or
US
& IPCs :
IPC B64C3/00 or
IPC B64C39/00
& Citations from after 1930:
None
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aerostat (1) ·
airplane (3) ·
ascension (1) ·
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construction (2) ·
design (2) ·
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subsystem (1) ·
sustentation (2) ·
wings (1)
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