Modifiche

===Riferimenti esterni===  

===Riferimenti esterni===  

* http://penol.weebly.com/penol-company-history.html

* [http://penol.weebly.com/penol-company-history.html] Una cronologia dell'azienda

* http://www.penol.dk/firmaprofil/historie.asp?tid=111111&setlanguage=2

* [https://web.archive.org/web/20060622160021/http://www.penol.dk/firmaprofil/historie.asp?tid=111111&setlanguage=2] Storia sul sito (dismesso) dell'azienda

* http://www.fountainpennetwork.com/forum/topic/182340-denmark-and-pens/

* [http://www.fountainpennetwork.com/forum/topic/182340-denmark-and-pens/] Discussione sull'azienda

* http://jkpens.com/prod/index.php?section=manu&id=81&view=short&view2=pens

* [http://jkpens.com/prod/index.php?section=manu&id=81&view=short&view2=pens] Elenco di penne e modelli

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===Note===

===Note===