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File size: 44 KB
MIME type: image/png
The file "Light_tube_daylighting_system.png" has 1 identical duplication.
- Light tube daylighting system.png . . KVDP (talk | contribs) . . 11:05, 16 March 2011
- Light tube daylighting system.png . . wikimediacommons>Genetics4good . . 13:52, 13 March 2011