On 5 December 1973 about 17 companies were established in Belgium.
0413.595.528
0413.597.310
0413.606.020
0413.622.846
0413.636.110
0413.636.308
0413.639.177
0413.713.710
0413.762.507
0413.784.380
0413.832.385
0413.853.270
0413.876.729
0413.877.125
0413.894.545
0414.013.618
0413.854.260