Keywords: Andrzej Franciszek Dowkontt.jpg pl Inż Andrzej Franciszek Dowkontt około 1945r en Ing Andrzej Franciszek Dowkontt about y 1945 2015-08-26 Family archive author other versions Custom license marker 2015 08 26 PD-old PD-US-unpublished Uploaded with UploadWizard Managers from Poland Industrialists from Poland Engineers from Poland |