File:150px-Slow sand filter small.jpg

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150px-Slow_sand_filter_small.jpg ‎(325 × 311 pixels, file size: 110 KB, MIME type: image/jpeg)

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:56, 4 October 2013		325 × 311 (110 KB)	Winona (talk | contribs)
	23:31, 2 April 2013		340 × 325 (105 KB)	Winona (talk | contribs)

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The following 3 pages link to this file:

• CT - Filtration
• CT - Filtration - généralités
• 集中处理 - 过滤

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Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Exif version	2.1
Supported Flashpix version	0,100
Color space	Uncalibrated
Image width	593 px
Image height	397 px