China National Standards

China Numerically milling machines GB Standards List


  •  China "Numerically milling machines" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 21947-2008 Numerically milling machines for special screws - Testing of the accuracy
    数控异型螺杆铣床 精度检验
    China National Standards
    Numerically milling machines

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