China National Standards

China Classification application hard GB Standards List


  •  China "Classification application hard" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 2075-2007 Classification and application of hard cutting materials for metal removal with defined cutting edges ― Designation of the main groups and groups of application
    切削加工用硬切削材料的分类和用途 大组和用途小组的分类代号
    China National Standards
    Classification application hard

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