Acoustics — Hearing protectors — Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
声学——听力保护器第3部分:用声学测试夹具测量耳罩型保护器的插入损耗

2007-06-26

음향 — 청각 보호구 — 제3부:음향시험장치(ATF)를 이용한 방음용 귀덮개의 삽입손실 측정
声学 - 听力保护器 - 第3部分:使用声学测试夹具测量耳罩式保护器的插入损耗

2020-12-30

声学 护听器 第3部分：使用专用声学测试装置 测量耳罩式护听器的插入损失
Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture

2011-12-30

Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture (ISO 4869-3:2007)
声学.听力保护器.第3部分:用声学试验夹具测量耳罩型保护器的插入损耗（ISO 4869-3-2007）

2008-02-06

Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture (ISO 4869-3:2007)
声学.听力保护器.第3部分:用声学试验夹具测量耳罩型保护器的插入损耗（ISO 4869-3-2007）；德文版EN ISO 4869-3:2007

2007-09-01

American National Standard for Methods for the Measurement of Insertion Loss of Hearing Protection Devices in Continuous or Impulsive Noise Using Microphone-in-Real-Ear or Acoustic Test Fixture Procedures.
美国国家标准《在真实耳朵或声学测试夹具程序中使用麦克风测量连续或脉冲噪声中听力保护装置插入损耗的方法》

2010-01-11