april 1952

april 1952: 16 companies

04. april 1952 2 companies

09. april 1952 1 companies

15. april 1952 1 companies

16. april 1952 2 companies

18. april 1952 1 companies

21. april 1952 2 companies

22. april 1952 2 companies

29. april 1952 3 companies

30. april 1952 2 companies