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La bildo estas kopiita de wikipedia:en. La originala priskribo estas:
Sewage Treatment trickling filter bed - small rural treatment plant Author: User:Velela.
Location: Beddgelert sewage treatment works
Source: Personal photograph taken by Author January 11, 2005
Description: Trickling filter bed using plastic media
Technical data: Pentax Optio555 digital camera. 1/50sec @ f2.8
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This image has been (or is hereby) released into the public domain by its author, Velela at the English Wikipedia project. This applies worldwide.
In case this is not legally possible: Velela grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation license, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled " GNU Free Documentation license".
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date/time |
username |
edit summary |
21:42, 16 January 2005 |
en:User:Velela |
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21:38, 16 January 2005 |
en:User:Velela |
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21:23, 16 January 2005 |
en:User:Velela |
(Sewage Treatment trickling filter bed) |
Historio de la dosiero
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- (del) (cur) 21:23, 16 January 2005 . . en:User:Velela Velela ( en:User_talk:Velela Talk) . . 1296x972 (680941 bytes) (Sewage Treatment trickling filter bed)
File history
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Date/Time |
Dimensions |
User |
Comment |
current |
08:37, 1 April 2006 |
1,296×972 (665 KB) |
Maksim |
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File links
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