论专利无效程序中的新颖性判定--兼评国家专利复审委(第20169号)决定
론전리무효정서중적신영성판정--겸평국가전리복심위(제20169호)결정
Novelty Judgment in Patent Invalidation Procedure---Comment on the No.20169 Decision of Patent Reexamination Board
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