Image Colnect-2991-790-Fourth-Polish-congress-of-technicians---Wrocław-1961.jpg

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Type: cover Issuer: Poland Date: 1961 Visibility: public Image owner: none Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/images/b/2991/790/Fourth-Polish-congress-of-technicians---Wrocław-1961.jpg Uploaded July 14, 2016, 9:35 pm by Stan Shebs