Investigation of Oxyacetylene Welding and Cutting Blowpipes, With Especial Reference to Their Design, Safety, and Economy in Operation (Classic Reprint) Johnston, Robert Smith Heftet / 2018 / Engelsk
Investigation of Oxyacetylene Welding and Cutting Blowpipes, With Especial Reference to Their Design, Safety, and Economy in Operation (Classic Reprint) Johnston, Robert Smith Innbundet / 2018 / Engelsk
Investigation of Oxyacetylene Welding and Cutting Blowpipes, With Especial Reference to Their Design, Safety, and Economy in Operation Johnston, Robert Smith Heftet / 2012 / Engelsk