1. 
   Kpo
   KPO is an abbreviation for Keypunch Operator
   Found op http://www.probertencyclopaedia.com/N11.HTM
   
   
2. 
   KPO
   Series of biological agent detection kits [SU]
   Found op http://www.jedsite.info/index.html
   
   
3. 
   kpo
   1) Abbreviation for keypunch operator
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/kpo/1
   
   

Tip: double click on a word to show its meaning.