Graham, Frank D. <br/><br/>
Audels Welders Guide :   Questions and Answers 

 - New York :   Theo. Audel & Co.,   1946. 
 - p. 422 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOLDADURAS
<br/><br/><label>Universal Decimal Class. No.: </label>621.79