What's mean the Serial Number?

quarta-feira, 22 de fevereiro de 2012

See the explanation using the follow serial number as example:

DEH2381234

The first two characters are the country code, in our example Germany (DE)
The third character is the code of the supply site (H ->Herrenberg, Germany)
The next three characters are the date of manufacture, the first digit is for the year then two for the calendar week (238 -> 38th week of 2002)
The last four characters are a sequential ID on that particular week (1234)