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So Siegfried Schelinski, Dieter Patzig, Klaus Heinrich and Bernd Grueger did the main work inventink the "unbreakable" drinking glass. Just for the record.
by lukan 2y ago
So Siegfried Schelinski, Dieter Patzig, Klaus Heinrich and Bernd Grueger did the main work inventink the "unbreakable" drinking glass. Just for the record.