查看完整版本: ITUR F.391-0

pps3000 2006-11-17 17:36

ITUR F.391-0

07-1963
Hypothetical reference circuit for radio-relay systems for telephony using frequency-division multiplex with a capacity of 12 to 60 telephone channels
Note - Suppressed on 06/06/03 (RA-03)
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查看完整版本: ITUR F.391-0