Campbell, Hallock C. <br/><br/>
Certification manual for welding inspectors. 

 - Miami, Fla. :  American welding society, Education department,  1980. 
 - 329 p. :  il.  ;  28 cm. 
<br/><br/> Apéndices: p. 257-324 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOLDADURA -CONTROL DE CALIDAD
<br/><br/><label>Universal Decimal Class. No.: </label>621.791:658.562 658.562:621.791