PN ETS 300 488-2005 标准详情
- 标准号:PN ETS 300 488-2005
- 中文标题:
- 英文标题:Terminal Equipment (te) - Telephony For Hearing Impaired People - Characteristics Of Telephone Sets That Provide Additional Receiving Amplification For The Benefit Of Hearing Impaired
- 标准类别:波兰标准PN
- 发布日期: