China National Standards

China Basic Dimensions Designations GB Standards List

  •  China "Basic Dimensions Designations" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 20333-2023 Basic Dimensions and Designations of Taps for Cylindrical and Conical Pipe Threads {译}
    圆柱和圆锥管螺纹丝锥的基本尺寸和标志    		 China National Standards
    Basic Dimensions Designations
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