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uspto搜索结果 / 共找到与关键字(词)“uspto”相关的网站1

  • Uspto

    Uspto

    Responsible for administering the U.S. patent and trademark system to assure that inventors and creators can retain rights to their creations. Includes downloadable forms and patent and trademark database searching.

    http://Uspto.gov/
    百度权重:百度权重
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    AlexaRank:0
    收录时间:2024-11-07
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