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Derik Zhou


Siemens Shanghai Medical Equipment Ltd

Active since 2015

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  • PromoterPromoter
    15 Apr 2015
  • CommenterCommenter
    15 Apr 2015
  • SolverSolver
    29 Jan 2015
  • Speed DemonSpeed Demon
    15 Apr 2015
  • CreatorCreator
    15 Apr 2015
  • Quiz MasterQuiz Master
    14 Dec 2020