| 申请人 |
NORTHERN TELECOM LTD., MONTREAL, QUEBEC, CA |
发明人 |
DOWNING, ANTHONY HAROLD, SAFFRON WALDON, ESSEX CB11 4BJ, GB;WHITAKER, JOHN, HARLOW, ESSEX CM18 6QK, GB;HADINGHAM, ROBERT GEORGE, HARLOW, ESSEX CM19 5RP, GB;D'ASSIS FONSECA, JEREMY BENTLEY, NEW BARNET, HERTS, GB |
