Technical Methods for Ensuring Privacy in Long-Distance International Television Transmission - Television and Sound Transmission (Study Group 9) 21 pp
国外标准现行
标准号:ITU-T J.91 FRENCH-1994
标准名称: 长距离国际电视传输的保密技术(9号研究组)21pp
英文名称:Technical Methods for Ensuring Privacy in Long-Distance International Television Transmission - Television and Sound Transmission (Study Group 9) 21 pp