World Directory of Sources of Patent Information 

 - Losebl.-Ausg. 
 - WIPO-Publication  No. 209 E .
<br/><br/><label>ISBN: </label>92-805-0109-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patentdokumentation<br/>Patentdokumentation