patent of improvement

英 [patent of improvement]
美 [patent of improvement]

中文释义

[专利] 改进（的）专利

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单词结构：

patent of improvement

字母数：21

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  • 单词拼写：patent of improvement
  • 核心含义：[专利] 改进（的）专利

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更新时间：2026-02-02 19:43:20