Keywords: Volax-Grafik4.png de wikipedia 2013 January 11 Volax-Grafik4 Elmar Werner 2004-03-21 Elmar Werner Public Domain PD-release Original upload log de wikipedia Wdwdbot CommonsHelper de wikipedia Volax-Grafik4 png 2004-03-21 20 47 Wernelm 587×392× 6045 bytes <nowiki>Public Domain - selbsterstellt</nowiki> Unidentified scientific mechanical diagrams schematics etc |