申请人 |
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY;YATES, MARTIN, JOHN;THOMPSON, STEPHEN, MICHAEL;EDWARDS, NICHOLAS, HECTOR;GIFFORD, MAURICE, MERRICK;MCCARTNEY, DAVID, JOHN |
发明人 |
YATES, MARTIN, JOHN;THOMPSON, STEPHEN, MICHAEL;EDWARDS, NICHOLAS, HECTOR;GIFFORD, MAURICE, MERRICK;MCCARTNEY, DAVID, JOHN |