Patent IT-1908-94928

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  • Inventor location: Brescia
  • Registro attestati: 282/125

Sources


Year filed 1908
Year granted
Office IT
Patent number 94928
Inventors Achille Bertelli
Inventor country IT
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Original title Propulsore ad elica di forma speciale per navigazione
English title Helical propeller for navigation
Tech fields navigation, propeller, propulsion
Filing date 1908-04-03
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Related to aircraft? 1
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National tech categories IT 8
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Citations from after 1930
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