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  • Brief introduction of pengshun Electromechanical enterprise
  • Pengshun equipment list
  • ISO 2768-1 Linearity and angle without tolerance
  • ISO 2768-2 Shape and position without tolerance
  • MIL-DTL-5541F Chemical conversion film on the surface of aluminum and aluminum alloy
  • MIL-A-8625F Anodizing film of aluminum and aluminum alloy
  • ASME Y14.5M 1994 Dimensional and geometrical tolerances
  • HELICOIL Chinese instructions
  • WAMAWA Guide to increasing tapping
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