Official catchword index to the eighth edition (2006) of the international patent classification. 

 - Geneva :  World Intellectual Property Organization (WIPO),  [2006 ]. 
 - 289 p. 
<br/><br/><label>ISBN: </label>9280514431 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents--Classification--Indexes
<br/><br/><label>LC Class. No.: </label>T 255 .F4  / O334 2006