Harold Lawrence <br/><br/>
Metallic Arc Welding Electrodes 
Harold Lawrence 
 - 1944 
 - Cleveland 13, OHIO  The Penton Publishing Company 
 - 88 P, : 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>671.521  / LAW