China National Standards

China Principle method determination Industry Standards English PDF List

  •  China "Principle method determination" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 1139-2005 Principle and method for determination verification period of measuring instruments
    计量器具检验周期确定原则和方法    		 China Metrological Standards
    Principle method determination
    English PDF

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