China National Standards

China Negative oxygen ion Industry Standards English PDF List

  •  China "Negative oxygen ion" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QX/T 552—2022 Negative oxygen ion observation data format BUFR {译}
    负氧离子观测数据格式 BUFR    		 China Meteorology Industry Standards
    Negative oxygen ion
    English PDF

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