april 1955

april 1955: 50 companies

01. april 1955 31 companies

04. april 1955 1 companies

06. april 1955 1 companies

08. april 1955 3 companies

10. april 1955 1 companies

11. april 1955 1 companies

15. april 1955 4 companies

20. april 1955 4 companies

22. april 1955 1 companies

28. april 1955 1 companies

30. april 1955 2 companies