Norma 5333. Extractor de prisioneros /  
IRAM 
 - 1a. ed. 
 - Buenos Aires :  IRAM,  1984 
 - 7 p. :    fig. ;    30 cm 
<br/><br/><label>LC Class. No.: </label> / I 58 
<br/><br/><label>Universal Decimal Class. No.: </label>621.928.1