Jan Piekałkiewicz
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Jan Piekałkiewicz (19 September 1892 – 19 February 1943) was a Polish economist and statistician, politician and the Polish Underground State's Government Delegate.
Jan Piekałkiewicz (19 September 1892 – 19 February 1943) was a Polish economist and statistician, politician and the Polish Underground State's Government Delegate.