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• 2024.10.08

  News
  【重要】还请注意有假冒为弊所或弊所的代理人等人员的诈欺
• 2018.10.23

  News
  青山专利事务所中文网站发布上线！
• 2018.07.19

  IP News
  GRAND PANEL OF THE IP HIGH COURT DETERMINED HOW TO DERIVE A CITED INVENTION FROM A GENERAL CHEMICAL FORMULA INCLUDING A HUGE NUMBER OF COMPOUNDS