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GB/T 34877.3-2017  China national standard english version:

　
GB
中华人民共和国国家标准
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 34877.3-2017

Industrial fans—Determination of fan sound power levels under standardized laboratory conditions—Part3:Enveloping surface methods
工业风机 标准实验室条件下风机声功率级的测定 第3部分：包络面法
Issued Date:2017-11-01 　 Implemented Date:2018-05-01
Issued by: 　 The Standardization Administration of the People's Republic of China
　

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GB Standard Code GB/T 34877.3-2017
Standard Category China National Standards
GB Standard English Title Industrial fans—Determination of fan sound power levels under standardized laboratory conditions—Part3:Enveloping surface methods
GB Standard Chinese Title 工业风机 标准实验室条件下风机声功率级的测定 第3部分：包络面法
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English Translation Fee $15.00~$30.00   per 1 page
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