When did Opel become part of GM?

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Tags

1. #dollars
2. #shares
3. #insurance
4. #manufacturer
5. #million
6. #majority
7. #first
8. #percent
9. #stockholder
10. #becoming
11. #company
12. #establish
13. #german
14. #motors
15. #general
16. #acquires
17. #under