Konrad Piotrowski
type: Item
Wikidata item identifier: Q96634309
date of birth: 1899-01-01T00:00:00Z
instance of: human
described by source: Polish Biographical Dictionary
Dariah.lab ID: 20.500.12973/Q387679
description: (1899-po 1939) inżynier elektryk, radiotechnik @pl
description: (1899-after 1939) electrical engineer, radio technician