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  • Utility model patent certificates
    Utility Model Name: The ceiling mechanism of the vacuum rotary disc miniature screw discharging machine
  • Utility model patent certificates
    Utility Model Name: Automatic retraction-resisting structure of the screw feeding machine
  • Utility model patent certificates
    Utility Model Name: Automatic blanking structure of the screw feeding machine
  • Utility model patent certificates
    Utility Model Name: The drive mechanism of the vacuum rotary disc miniature screw discharging machine
  • Utility model patent certificates
    Utility Model Name: The box of automatic screw feeding machine
  • Utility model patent certificates
    Utility Model Name: Fixed structure of flexible feeding pipe for the screw feeding machine