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
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

Acoustics. Hearing protectors-Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
声学听力保护器

2007-08-31

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