Modifiche

[http://www.thesouthernscribe.com/pen-articles/the-famous-bock-nib-works.html], [http://www.fountainpennetwork.com/forum/index.php?/topic/20363-nib-history], [http://history.evonik.com/sites/geschichte/en/chemicals/Pages/default.aspx]

[http://www.thesouthernscribe.com/pen-articles/the-famous-bock-nib-works.html], [http://www.fountainpennetwork.com/forum/index.php?/topic/20363-nib-history], [http://history.evonik.com/sites/geschichte/en/chemicals/Pages/default.aspx]

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[[Category:Marche]]

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[[Category:Germania]]

[[Category:Other brand]]

[[Category:Other brand]]

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