000 00730nam a2200229Ia 4500
005 20250425162808.0
008 250425s9999 xx 000 0 und d
020 _a9261022715
041 _aeng
082 _a621.38206
110 _aINTERNATIONAL TELECOMMUNICATION UNION
245 0 _aRED BOOK : VOLUME VII - FASCICLE VII.1: TELEGRAPH TRANSMISSION: SERIES R RECOMMENDATIONS. TELEGRAPH SERVICES TERMINAL EQUIPMENT: SERIES S RECOMMENDATIONS
250 _a1ST ED.
260 _aGINEBRA
260 _aSuiza
_bCCITT
_c1985
300 _a235
500 _aVIIITH PLENARY ASAMBLY. MALAGA-TORREMOLINOS, 8-19 OCTOBER 1984.
650 _aINGENIERIA ELECTRONICA
650 _aRED ALAMBRICA
942 _c01
010 _a108923
999 _c236591
_d236591