查看完整版本: ITUR F.480-0

pps3000 2006-11-17 17:51

ITUR F.480-0

07-1974
Semi-automatic operation on HF radiotelephone circuits. Devices for remote connection to an automatic exchange by radiotelephone circuits
Note - Withdrawn on 17/12/99 (CACE/146)
页: [1]
查看完整版本: ITUR F.480-0