申请人 |
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY;TITMUSS, RICHARD, JOHN;ALLEN, KATHERINE, MARGARET;LEBRE, CAROLINE, ANNE, MICHELE;MOORE, ROBERT, PETER |
发明人 |
TITMUSS, RICHARD, JOHN;ALLEN, KATHERINE, MARGARET;LEBRE, CAROLINE, ANNE, MICHELE;MOORE, ROBERT, PETER |