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1. (WO2012176836) VIEWING INFORMATION COLLECTION SYSTEM, BROADCAST RECEPTION DEVICE, AND VIEWING INFORMATION COLLECTION METHOD
Available information on National Phase entries(more information)
OfficeEntry DateNational NumberNational Status
Japan 22.04.20132013521615
European Patent Office 23.10.20132012802753Published: 30.04.2014
Withdrawn: 28.08.2015
United States of America 12.11.201314117183Published: 08.05.2014