Category:Mathias Koener

**Mathias Koener**
	(1883-1943)
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Date of birth	15 November 1883
Date of death	7 March 1943, 8 March 1943
Occupation	engineer;
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	Q16439568;
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

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