China National Standards

China Psychrometer Industry Standards English PDF List

  •  China "Psychrometer" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJG 993-2004 Verification Regulation of Electric Ventilation Psychrometer
    电动通风干湿表检定规程    		 China Metrological Standards
    Psychrometer
    English PDF

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