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After the WWII, Silesia was occupied by the Russian and in [[1946]] ''"Hans Roggenbuck"'' was expelled from East Germany, going to live in Bad Merghentheim where he resumed the business with a company for fountain pens repairs, but in [[1948]] re-founded a factory in Regensburg, resuming the production of glass nib fountain pens, to which were joined also pens with ordinary steel and gold nibs, passing to the use of plastic resins.  

After the WWII, Silesia was occupied by the Russian and in [[1946]] ''"Hans Roggenbuck"'' was expelled from East Germany, going to live in Bad Merghentheim where he resumed the business with a company for fountain pens repairs, but in [[1948]] re-founded a factory in Regensburg, resuming the production of glass nib fountain pens, to which were joined also pens with ordinary steel and gold nibs, passing to the use of plastic resins.  

Avendo previsto gli effetti del successo della penna a sfera negli anni '50 la [[Haro]] cambiò settore di mercato, concentrandosi sulla produzione di carta e articoli di cancelleria. L'azienda esiste ancora ed è gestita dai figli del fondatore.

Having foreseen the effects of the success of the ballpoint pen, in the 50s the [[Haro]] changed market sector, focusing on the production of paper and stationery. The company still exists and is run by the founder's sons.

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