The following number ranges are ordered by country of manufacture and model. The numbers for European production are based on the following key: the first group of numbers = country of manufacture; second group, if provided = model; last group = machine number.
The following chart comprises the portion of these machines (the greatest portion by far) that were sold from 1952 to 1960 in Germany; the chart includes only the Standard model.
The Netherlands Production section of the IBM Serial Number Page
Translation:
The following number ranges are ordered by country of manufacture and model. The numbers for European production are based on the following key: the first group of numbers = country of manufacture; second group, if provided = model; last group = machine number.
The following chart comprises the portion of these machines (the greatest portion by far) that were sold from 1952 to 1960 in Germany; the chart includes only the Standard model.
Richard was already here :)