Boehm Klaus <br/><br/>
British Patent System 
Boehm Klaus 
 - Cambridge  Cambridge University Press       1967 
 - x;184p.  cm. 
<br/><br/><label>Standard No.: </label>64184 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z3,2673'N6, K7.1