China National Standards

China hardmetals） GB Standards List

  •  China "hardmetals）" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 5318-2017 Sintered metal materials（excluding hardmetals） without notch impact test piece
    烧结金属材料（不包括硬质合金）无切口冲击试样    		 China National Standards
    hardmetals）
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