Revision history of "File:Patent-DE-521001.pdf"

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  • curprev 22:55, 23 December 2021‎ Piccardi talk contribs‎ 325 bytes +325‎ == Dettagli == {{PatentInfo |Assignee=Moster-Penkala G.m.b.H. |Country=DE |ApplicationNum=K10.30 |ApplicationDate=1930-01-23 |PatentNum=521001 |PatentDate=1931-03-17 |PriorityDate=1930-01-23 |Titolo=Zweifarbenschreibstift |Marca=Penkala |Descrizione=Penna a due colori }} ==Informazioni== Brevetto per una penna a due colori.
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