File:CO2return.PNG

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	09:08, 24 October 2016		969 × 906 (44 KB)	Jx.wang.2013 (talk \| contribs)
	09:06, 24 October 2016		969 × 906 (43 KB)	Jx.wang.2013 (talk \| contribs)

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Horizontal resolution	37.79 dpc
Vertical resolution	37.79 dpc