Editing Half rotate engine or vana engine
- 12:14, 10 December 2006 Jon (Talk | contribs) deleted "Half rotate engine or vana engine" (content was: '[Animation:[http://www.new4stroke.com/images/Halfrotate1.gif]]Full step by step evolution invention new engine [http://www.new4stroke.com/images/Pos...' (and the only contributor was 'Inventor'))
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