Image Colnect-180-464-50-Years-of-the-National-Laboratory-of-Civil-Engineering.jpg

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Type: stamp Issuer: Portugal Date: 1997 Denom: ? Visibility: public Image owner: none postage 8/29/1997 80.e multi issue=50th Anniversary of the national Institute of Construction unwmk Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/180/464/50-Years-of-the-National-Laboratory-of-Civil-Engineering.jpg Uploaded September 4, 2014, 3:11 pm by Stan Shebs