China National Standards

China Determination efficiency gear GB Standards List

  •  China "Determination efficiency gear" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 14231-2021 Determination of efficiency for gear units
    齿轮装置效率测定方法    		 China National Standards
    Determination efficiency gear
    English PDF
    GB/T 14231-1993 Determination of efficiency for gear units
    齿轮装置效率测定方法    		 China National Standards
    Determination efficiency gear
    English PDF

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