"Patented invention of the CSIR,1940-1964" 

 - New  Delhi C S I R     1965 
 - 228p  cm. 
<br/><br/><label>Standard No.: </label>147571 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"a48,32.N64<---N40, K5/BB"