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Joseph von Fraunhofer: Revision history


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21 February 2022

6 January 2018

4 August 2017

17 July 2017

4 July 2017

10 May 2017

  • curlast 21:1221:12, 10 May 2017152.157.34.242 talk 101 bytes +101 Created page with "Joseph von Fraunhofer is a very extraordinary man. Fraunhofer is also the father of the spectrometer." Tag: very short new article