International patent classification .  Volume 1 ,  Sections A and B 

 - 8th ed. , (2006), core level 
 - Geneva :  World Intellectual Property Organization (WIPO),  2006. 
 - 1 v. (various pagings). 
<br/><br/> Contents: Volume 1. Section A, human necessitites. Section B, performing operations, transporting -- Volume 2. Section C, chemistry, metallurgy. Section D, textiles, paper -- Volume 3. Section E, fixed constructions. Section F, mechanical engineering, lighting, heating, weapons, blasting -- Volume 4. Section G, physics. Section H, electricity -- Volume 5. Guide. 
<br/><br/><label>ISBN: </label>9280514385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents--Classification<br/>Physics--Patents<br/>Electricity--Patents
<br/><br/><label>LC Class. No.: </label>T 255 .F4  / I573 2006