Category:Stefan Bielecki (engineer)

**Stefan Bielecki**
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Date of birth	20 April 1908; Częstochowa
Date of death	5 September 1944; Warsaw
Manner of death	unnatural death (He died on September 5, 1944 in Warsaw during the bombing of the field hospital of the Warsaw insurgents by the German Luftwaffe);
Pseudonym	Januski, Piotr, Druh, Witold Ostrowski, Czesław;
Country of citizenship	Second Polish Republic;
Educated at	Warsaw University of Technology;
Occupation	engineer;
Field of work	hydraulic engineering;
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	Q9344879;
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