Commission Decision declaring the compatibility with the common market of a concentration (Case No. IV/MO42-Alcatel/Telettra) 12 April 1991 - World Trade and Arbitration Materials View Commission Decision declaring the compatibility with the common market of a concentration (Case No. IV/MO42-Alcatel/Telettra) 12 April 1991 by - World Trade and Arbitration Materials Commission Decision declaring the compatibility with the common market of a concentration (Case No. IV/MO42-Alcatel/Telettra) 12 April 1991 3 4 World Trade and Arbitration Materials