Traduction de «were asked whether they were interested and were invited » (Néerlandais → Français) :

The latter received information on the project, were asked whether they were interested and were invited to an Invitational Conference held in Bruges on the 29 th of October 2004.
Ceux-ci ont reçu de l’information sur le projet, on leur a demandé s’ils étaient intéressés et ils ont été invités à une Invitational Conference qui a eu lieu à Bruges le 29 octobre 2004.