Specification for screwed studs 

 - Colombo  Sri Lanka Standards Institution  1988 
 - 23 p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOOKS BOX 386<br/>SINHALA NOVEL<br/>SLS
<br/><br/><label>Dewey Class. No.: </label>B0386  / LDC