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 China 'GB/T 7584.3-2011 ' standard english version:

　

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 7584.3-2011

Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
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
Issued Date:2011-12-30 　 Implemented Date:2012-05-01
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code GB/T 7584.3-2011
Standard Category China National Standards
GB Standard English Title Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
GB Standard Chinese Title 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
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English Translation Fee $15.00~$30.00   per  page
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