Papeles y cartones - acondicionamiento de muestras para ensayos = Paper and paperboards - arrangement of samples for testing 
 Nch.687 Of.70 

 - Santiago:  El Instituto,  c1983 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PAPEL--NORMAS<br/>CARTON--NORMAS<br/>NORMA CHILENA 687
<br/><br/><label>Dewey Class. No.: </label>676.27  / I59ac 1970