GB/T 25749.4-2010
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 25749.4-2010
Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 4: Tracer method for the measurement of the capture efficiency of an exhaust system 机械安全 空气传播的有害物质排放的评估 第4部分:测量排气系统捕获效率的示踪法
Issued Date:2010-12-23
Implemented Date:2011-10-01
Issued by:
The Standardization Administration of the People's Republic of China