september 1981

september 1981: 12 companies

3. september 1981 1 companies

8. september 1981 1 companies

10. september 1981 4 companies

14. september 1981 1 companies

25. september 1981 1 companies

27. september 1981 1 companies

29. september 1981 1 companies

30. september 1981 2 companies