标准号:DIN ETS 300679-1997
中文标准名称:终端.听觉障碍者电话机.助听器上电话装置的电耦合
英文标准名称:Terminal Equipment (TE) - Telephony for the hearing impaired - Electrical coupling of telephone sets to hearing aids; English version ETS 300679:1996
标准类型:M40
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:M40
国际标准分类号:33.050.10
适用范围:The document specifies the electrical characteristics for the electrical coupling of the telephone function implemented in terminal equipment to hearing aids.