IEC 61842-2002 标准详情
- 标准号:IEC 61842-2002
- 中文标题:语音通信用传声器和耳机
- 英文标题:Microphones and earphones for speech communications
- 标准类别:国际电工委员会标准
- 发布日期:2002-03
APPLIES TO THE MICROPHONE PART AND EARPHONE PART OF HANDSETS, HEADSETS OR EARSETS FOR SPEECH COMMUNICATIONS, AND ALSO TO THE MICROPHONE UNITS AND EARPHONE UNITS OF BUILT-IN HANDSETS, HEADSETS OR EARSETS. ESTABLISHES DEFINITIONS RELATING TO THESE ELEC
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