april 1958

april 1958: 96 companies

01. april 1958 6 companies

02. april 1958 9 companies

03. april 1958 6 companies

08. april 1958 1 companies

09. april 1958 4 companies

10. april 1958 6 companies

11. april 1958 4 companies

14. april 1958 5 companies

15. april 1958 3 companies

16. april 1958 4 companies

17. april 1958 5 companies

18. april 1958 4 companies

21. april 1958 4 companies

22. april 1958 12 companies

23. april 1958 5 companies

24. april 1958 5 companies

28. april 1958 4 companies

29. april 1958 8 companies

30. april 1958 1 companies