Archer, R.s. <br/><br/>
New carburizing steels for critical gearing  part 1 and 2 
Archer, R.s. [et al[ 
 - New York.  Climax Molybdenum Co.  1956 
<br/><br/> Separata de Iron age. Feb.9;26,1956. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>acero<br/>siderurgia
<br/><br/><label>Universal Decimal Class. No.: </label>546.77