DIN ETS 300149:1992-11 Terminal Equipment (TE); videotex; audio syntax; english version ETS 300149:1992

标准编号：DIN ETS 300149:1992-11

英文标题：Terminal Equipment (TE); videotex; audio syntax; english version ETS 300149:1992

德文标题：Endgeräte; Videotex; Audiosyntax; Englische Fassung ETS 300149:1992

发布日期：1992-11

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