DIN ETS 300283:1994-09 Business TeleCommunications (BTC) - Planning of loudness rating and echo values for private networks digitally connected to the public network; English version ETS 300283:1994

标准编号：DIN ETS 300283:1994-09

英文标题：Business TeleCommunications (BTC) - Planning of loudness rating and echo values for private networks digitally connected to the public network; English version ETS 300283:1994

德文标题：Geschäftstelekommunikation - Planung von Bezugsdämpfungs- und Echowerten für private Netze zur digitalen Anschaltung an das öffentliche Netz; Englische Fassung ETS 300283:1994

发布日期：1994-09

DIN ETS 300283:1994-09 Business TeleCommunications (BTC) - Planning of loudness rating and echo values for private networks digitally connected to the public network; English version ETS 300283:1994

标准预览图