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  • 郭俊义
  • Geology
  • 2011 (First Published: 27 January 2011)
  • The invention discloses a subway safety door capable of lifting vertically. The subway safety door comprises a door frame (1) formed by a left upright (11), a right upright (12) and a cross beamContinue Reading
  • 崔兴民, 郭俊义
  • Computer Science
  • 2007 (First Published: 29 December 2007)
  • The utility model discloses a metro barrier door, comprising double doors including a sliding door (1) and a fixed door (2) cooperating with the sliding door (1), also a sealing device (2) fixed on aContinue Reading
  • 曾晓武, 郭俊义
  • Engineering
  • 2004 (First Published: 21 October 2004)
  • The invention discloses a ventilated curtain fire protection installation, comprising: the segregation barrier device that installed in the bone of curtain wall through the connection device and canContinue Reading
  • 郭俊义
  • Physics
  • 2005 (First Published: 11 November 2005)
  • The utility model relates to a push rod device used for an emergency door lock, which comprises a rod seat, a push rod, a parallel four rod structure which is connected between the rod seat and theContinue Reading
  • 郭俊义
  • Geology
  • 2011 (First Published: 27 January 2011)
  • The utility model discloses a vertically lifting subway safety door, which comprises a door frame (1), a moving door body (2) and a lifting rope (3). The door frame (1) is composed of a left verticalContinue Reading