Patents for inventions abridgments specifications 35001-40000 / 
The Patent Office, India 
 - Calcutta :  Manager of Publication,  [n. d.] 
 - 55 p. ;  24 cm. 
<br/><br/> Gr.xiii moulding plastic and powderld substraces. 
<br/><br/><label>Dewey Class. No.: </label>608.754