Gas welding :  intermediate / 
3G Elearning FZ LLC 
 - vi, 316 pages :  color illustrations ;  30 cm. +  1 DVD ROM 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9789351158516 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metalworking<br/>Welding