august 1957

august 1957: 14 companies

7. august 1957 2 companies

13. august 1957 1 companies

14. august 1957 1 companies

15. august 1957 2 companies

17. august 1957 1 companies

23. august 1957 1 companies

28. august 1957 2 companies

30. august 1957 3 companies

31. august 1957 1 companies