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I just wanted to know about the type of patent and areas of validity etc.. about following patent

I just googled about this patent , but that only provided the technical aspects . how could i know whether the patent can be used ,or any prior licence agreement required or not etc.. before using the technology ?

Publication number EP2566111 A1 Publication type Application Application number EP20110179341 Publication date Mar 6, 2013 Filing date Aug 30, 2011 Priority date Aug 30, 2011 Also published as WO2013030275A1 Inventors Dominique Cachin, Mathias Kranich, Christian Leeb Applicant ABB Technology AG


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