Revision history of "File:Plate vs tube efficiency 2.gif"

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  • curprev 09:46, 18 May 2009‎ NT talk contribs‎ 289 bytes +289‎ Solar thermal collectors compared: flat plate versus evacuated tube efficiency. I release this image into the public domain. Any trademarks, copyrighted material and any other intellectual property depicted in the image still belong to their respective o
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