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