Case T-112/07: Judgment of the General Court of 12 July 2011 — Hitachi and Others v Commission (Competition — Agreements, decisions and concerted practices — Market in gas insulated switchgear projects — Decision finding an infringement of Article 81 EC and Article 53 of the EEA Agreement — Market-sharing — Rights of the defence — Proof of the infringement — Single and continuous infringement — Fines — Gravity and duration of the infringement — Deterrent effect — Cooperation)