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Patent certificate
  • A transport device for large mining machinery parts

    A transport device for large mining machinery parts

    A transport device for large mining machinery parts
  • A tightening device for high-strength bolts of bridge bearings for machining

    A tightening device for high-strength bolts of bridge bearings for machining

    A tightening device for high-strength bolts of bridge bearings for machining
  • A waste yarn collection device for machining

    A waste yarn collection device for machining

    A waste yarn collection device for machining
  • An anti-deflection mechanism for bridge bearing bolts for machining

    An anti-deflection mechanism for bridge bearing bolts for machining

    An anti-deflection mechanism for bridge bearing bolts for machining
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