Zhou Ru-zhong, Zheng Qing-ying. The Developing Aspect About the Threshold Values of Exhaust Gases from Automobile in Various Nations of the world[J]. Journal of Beijing University of Technology, 1981, 7(2): 91-104.
    Citation: Zhou Ru-zhong, Zheng Qing-ying. The Developing Aspect About the Threshold Values of Exhaust Gases from Automobile in Various Nations of the world[J]. Journal of Beijing University of Technology, 1981, 7(2): 91-104.

    The Developing Aspect About the Threshold Values of Exhaust Gases from Automobile in Various Nations of the world

    • This paper reviews the specifications on the threshold values of pollutants of exhaust gases from automobile in variaus nations of the world, and gives the developing aspect of these specifications.
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