Drilldown: Patents
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Patents > Year filed:
1921
& Office :
?? or
ES or
FR
& Inventor country :
BA or
GB
& Applicant firm :
Curtiss Aeroplane or
Société anonyme Astra AB or
None
& Family year:
1900 - 1999
& First filing:
No
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Showing below up to 1 result in range #1 to #1.