Modifiche

|Description=Schema di caricamento a [[pulsante di fondo]]

|Description=Schema di caricamento a [[pulsante di fondo]]

|Source=Allegato al brevetto

|Source=Allegato al brevetto

|Author=[http://www.fountainpen.it/Utente:Piccardi Simone Piccardi]

|Author=[http://www.fountainpen.it/Utente:Piccardi Simone Piccardi]

|Permission=GFDL

|Permission=GFDL

}}

}}

Schema of the [[Corona]] [[button filler]] system. Excerpt from original patent ({{Cite patent|US|1540763}}) first page. Retouched by the author for a better sharpness.  

@en|Schema of the [[Corona]] [[button filler]] system. Excerpt from original patent ({{Cite patent|US|1540763}}) first page. Retouched by the author for a better sharpness.  

==Licenza==

==Licenza==

{{PD-US-patent}}{{GFDL-self-no-disclaimers}}

{{PD-US-patent}}{{GFDL-self-no-disclaimers}}

[[Category:Patents]]

[[Category:Patent Images]]

[[Category:Schemi Tecnici]]

[[Category:Schemi Tecnici]]