File:US07636621-20091222-D00002.png: Revision history

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1 October 2014

  • curprev 19:1519:15, 1 October 2014S114552 talk contribs 156 bytes +156 Fig.2 Industrial Technology Research Institute-Taiwan. (2009). Path Guidance method for autonomous mobile device. <http://www.google.com/patents/US7636621>