Welding techniques and uses in the U. S. A. 

 - 112 pages :  illustrations, diagrams ;  24 cm 
<br/><br/> "Technical Assistance Mission No. 143." 
<br/><br/><label>LCCN: </label>56000235 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Welding
<br/><br/><label>LC Class. No.: </label>TS227  / .O74 1955