China National Standards

China Carbide detachable bit GB Standards List

  •  China "Carbide detachable bit" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 6480-2015 Carbide detachable bit for rock drilling
    凿岩用硬质合金钎头    		 China National Standards
    Carbide detachable bit
    English PDF
    GB/T 6480-2002 Carbide detachable bit for rock drilling
    凿岩用硬质合金钎头    		 China National Standards
    Carbide detachable bit
    English PDF

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