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- ...re traditional materials such as [[celluloid]] or [[galalith]] are plastic resins, but we will discuss briefly in this section only these new ones that could The pen that more than any other is considered the prototype of plastic resins fountain pens, is the famous [[Parker 51]], created in [[1939]], but market4 KB (590 parole) - 01:37, 4 nov 2020
- ...lith]] and [[celluloid]], to pass in the '40s to the most common [[plastic resins]] still in use today. A photo gallery is on [[Body_Gallery|this page]].3 KB (426 parole) - 22:42, 5 mar 2021
- ...also pens with ordinary steel and gold nibs, passing to the use of plastic resins.3 KB (416 parole) - 22:03, 25 nov 2020
- ...ew to be able to adapt its production to the use of new materials (plastic resins) and to survive the disposable ballpoint era, and always remaining in the l9 KB (1 378 parole) - 22:01, 8 ago 2023