To get the documentation the users have to address their national standardisation organisations.
https://www.opra-cen.eu/wp-content/uploads/2018/04/logo-300x300.png00pierinihttps://www.opra-cen.eu/wp-content/uploads/2018/04/logo-300x300.pngpierini2018-02-13 17:20:112018-02-13 17:20:11How can I get documentation about OpRa?