Modern Welding 
Conroy, Summer 
 - New york:  NY Research  Press  2020 
 - 220p.: col. Ill.;  25.5cm. 
<br/><br/> Includes permissions, index 
<br/><br/><label>ISBN: </label>9781632387752 
<br/><br/><label>Dewey Class. No.: </label>C 671.52 B811 2020