index to the us patent classification system

Index to the U.S. Patent Classification System. An entry-level aid to using the Patent Office’s classification system, comprising an estimated 65,000 common terms and phrases and referring each entry to a class and subclass within the system.

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词条贡献者

译者Kelly，美国顶尖商学院国际经济法专业，擅长翻译各种与投资基金与基金顾问诉讼相关的法律文件。