Provisional recommendations X.3, X.25, X.28 and X.29 on packet-switched data transmission services / The International Telegraph and Telephone Consultative Committee.
1978
详细记录
标题Provisional recommendations X.3, X.25, X.28 and X.29 on packet-switched data transmission services / The International Telegraph and Telephone Consultative Committee.
索书号
ITU/CCITT(092.1)/D2/ENG
日期Geneva : ITU, 1979.
描述
84 p. : ill.
国际标准图书编号/国际标准期刊编号
9261005918