
4 Identifying the device version
28
Fabrication no. (F-Nr)
Among other things, the fabrication number contains the date of production (year/week).
Example: F-Nr = 0070033801211010006
The figures concerned are in positions 12, 13, 14, and 15 (from the left).
The device was therefore produced in the 1st calendar week of 2011.
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