Category:Jan Holcgreber

**Jan Holcgreber**
	Polish chemical engineer
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Date of birth	13 May 1888; Łódź
Date of death	1972
Pseudonym	Krzysztof;
Country of citizenship	Poland;
Occupation	chemical engineer;
Award received	Gold Cross of Merit‎ (1928);
Authority file
	Q123024458; PLWABN ID: 9810684448005606
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