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PTO Patent and Trademark Office
PTO Patent and Trademark Office
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[PTO Patent and Trademark Office]
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[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
字母数:31
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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:2026-04-24 00:39:36