Specification for spun polyester sewing thread  first revision 

 - Colombo  Sri Lanka Standards Institution  1993 
 - 12 p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOOKS BOX 386<br/>SINHALA NOVEL<br/>SLS<br/>MARRIAGE
<br/><br/><label>Dewey Class. No.: </label>B0386  / LDC