File:Productionandconsumption.gif
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Size of this preview: 505 × 599 pixels. Other resolution: 536 × 636 pixels.
Original file (536 × 636 pixels, file size: 19 KB, MIME type: image/gif)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:46, 26 March 2005 | | 536 × 636 (19 KB) | Lianzhuang Qu (talk | contribs) |
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