China National Standards

China Rotary drilling rig GB Standards List

  •  China "Rotary drilling rig" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 43878-2024 Rotary drilling rig pick {译}
    旋挖钻机截齿    		 China National Standards
    Rotary drilling rig
    English PDF
    GB/T 21682-2019 Rotary drilling rig
    旋挖钻机    		 China National Standards
    Rotary drilling rig
    English PDF
    GB/T 21682-2008 Rotary drilling rig
    旋挖钻机    		 China National Standards
    Rotary drilling rig
    English PDF

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