Tests for use in the approval of welders Part 1: Manual metal-arc and oxy-acetylene welding of mind steel and low alloy steel sheets, plates and sections. 

 - London: British Standard Institutions,  1955 
 - 101p; illust. 21cm 
 - British Standard 2645 Part 1 : 1955 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Welding and allied techniques.