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【国外标准】 Terminal Equipment (TE) - Telephony for hearing impaired people - Characteristics of telephone sets that provide additional receiving amplification for the benefit of the hearing impaired; English version ETS 300488:1996
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2025-04-30
- DIN ETS 300488
- 现行
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标准简介适用范围：
暂无
标准号：
DIN ETS 300488
标准名称：
Terminal Equipment (TE) - Telephony for hearing impaired people - Characteristics of telephone sets that provide additional receiving amplification for the benefit of the hearing impaired; English version ETS 300488:1996
英文名称：
标准状态：
现行-
发布日期：
2001-08-01 -
实施日期：
出版语种：
- 其它标准
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