Category:Lambertus Hendrik de Langen

**Lambertus Hendrik de Langen**
	Dutch university teacher (1900-1993)
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Date of birth	8 May 1900
Date of death	23 May 1993
Country of citizenship	Kingdom of the Netherlands;
Occupation	university teacher; engineer;
Employer	Delft University of Technology (Dutch ordinary professor, 1945–1951); University of Groningen;
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	Q2289320;
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