Introduction to patent law and practice  The basic concepts  English 
World Intellectual Property Organization 
 - Geneva  World Intellectual Property Organization  1989 
 - 111p.  Charts, Figures  30cm 
 - A WIPO Training Manual  .
<br/><br/><label>ISBN: </label>9280502220 
<br/><br/><label>Dewey Class. No.: </label>346.048  / WOR