File:Jean Casimir Félix Guyon.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	11:56, 30 April 2012		831 × 1,086 (150 KB)	Materialscientist	{{Information \|Description ={{en\|1=Jean Casimir Félix Guyon (21 July 1831 – 2 August 1920)}} \|Source =http://ihm.nlm.nih.gov/images/B13748 \|Author =Unknown \|Date =Unknown \|Permission = \|other_versions = }} "The Natio...

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