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Dieter Bartholdsten

PG Polygram Gmbh: 1 patents #5 of 24Top 25%
Overall (All Time): #4,059,117 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4409169 Method for manufacturing disk-shaped information carriers Hermann Koop, Erhard Schrode, Adelbert Zielasek 1983-10-11