| 申请人 |
BRITISH TELECOMMUNICATIONS P.L.C., LONDON, GB |
发明人 |
TROTT, JOHN, GRAHAM, IPSWICH SUFFOLK IP10 OUD, GB;PRIOR, VINCENT, PETER, SUFFOLK IP1 4PA, GB;LAWRENCE, JAMIE, PETER, FELIXSTOWE SUFFOLK IP11 9HR, GB;SHEPPARD, JOHN, ANTHONY, WOODBRIDGE SUFFOLK IP13 7PJ, GB |
