Ceylon Standard Specification for Technically Raw Natural Rubber 

 - Colombo  Bureau of Ceylon Standards  1970 
 - 31 p. 
 - Ceylon Standard 72 : 1970 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CEYLON STANDARD<br/>NATURAL RUBBER<br/>PAMPHLET BOX 162<br/>RUBBER RESEARCH