GB/T 3222.1-2006 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 3222.1-2006
Acoustics―Description, measurement and assessment of environmental noise―Part 1：Basic quantities and assessment procedures 声学 环境噪声的描述、测量与评价 第1部分：基本参量与评价方法
Issued Date:2006-07-25
Implemented Date:2006-12-01
Issued by:
The Standardization Administration of the People's Republic of China
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