19.12.2008 12/2008 Modification of the motor size in the headline on page 75.
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13.11.2008 11/2008 Splitting of the catalogue S01 ETAvent/FREvent into the catalogues
- S01 (EC Technology) and
- S02 (FU Technology). These catalogues have a new layout.
Diversification of the product range by the Series G and M.
