China National Standards

China Determination method Rockwell GB Standards List

  •  China "Determination method Rockwell" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 42670-2023 Determination method of Rockwell hardness of carbon materials {译}
    炭素材料洛氏硬度测定方法    		 China National Standards
    Determination method Rockwell
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