Does Korean Air have premium economy?

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Tags

1. #wider
2. #class
3. #width
4. #inches
5. #economy
6. #airline
7. #enjoy
8. #seating
9. #configuration
10. #allow
11. #introduce
12. #single
13. #introducing
14. #premium
15. #pitch
16. #korean
17. #fleet
18. #customers
19. #cs300