april 1952

april 1952: 100 companies

1. april 1952 1 companies

2. april 1952 1 companies

3. april 1952 10 companies

4. april 1952 4 companies

6. april 1952 4 companies

7. april 1952 10 companies

8. april 1952 6 companies

9. april 1952 6 companies

11. april 1952 3 companies

13. april 1952 3 companies

14. april 1952 3 companies

15. april 1952 6 companies

18. april 1952 11 companies

19. april 1952 1 companies

20. april 1952 4 companies

21. april 1952 5 companies

22. april 1952 5 companies

24. april 1952 7 companies

25. april 1952 3 companies

29. april 1952 7 companies