ASTM STANDARS:  ANNUAL BOOK OF 1980 

 - S.E. 
 - Estados Unidos  AMERICAN SOCIETY FOR TESTING  AND MATERIALS  1980 PHILADELPHIA 
 - 990 
<br/><br/><label>LCCN: </label>6331 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGREGADOS MINERALES<br/>CONCRETO<br/>NORMAS
<br/><br/><label>Dewey Class. No.: </label>620.0044