PTO Patent and Trademark Office

英 [PTO Patent and Trademark Office]
美 [PTO Patent and Trademark Office]

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专利与商标管理局

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PTO Patent and Trademark Office

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  • 单词拼写：PTO Patent and Trademark Office
  • 核心含义：专利与商标管理局

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更新时间：2026-04-23 13:05:35