Polish pronunciation lookup
ipn
Said in one Polish podcast line.
To się dopiero okazało po latach, kiedy zostały ujamione archiwa IPN-u.
It only turned out after years, when the archives of the Institute of National Remembrance were made accessible.

Świadkowie historii - Radio ZachódŚWIADKOWIE HISTORII, odc. 15. „Ostatni autobus"
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