Directory of certified products and companies licensed to use the sls mark  information complete upto December 2006 

 - Colombo  Sri Lanka Standards Institution  2007 
 - 68 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DIRECTORIES<br/>SLS<br/>SRI LANKA STANDARDS<br/>STANDARDS
<br/><br/><label>Dewey Class. No.: </label>006.32(548.7)  / DIR