Tentative standard qualification procedure; 
prepared by Committee on Standard Qualification Procedure and Committee on Grouping of Materials for Procedure and Operator Qualification. 
 - 1941 
 - New York,  American Welding Society  c1941. 
 - 39 p.  illus.  26 cm. 
<br/><br/> Cover-title. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE<br/>Welding--Standards.<br/>Welding.
<br/><br/><label>Dewey Class. No.: </label>671.52  / TEN