SS ETS 300 488 Ed. 1 (1996) 标准详情
- 标准号:SS ETS 300 488 Ed. 1 (1996)
- 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:新加坡SS
- 发布日期: