manual of classification

Manual of Classification. Patents. The U.S. Patent and Trademark Office’s official looseleaf publication describing the patent classification system and giving brief explanations of each class and subclass within the system.

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词条贡献者

译员William，毕业于欧洲顶尖的高级翻译学院，专注翻译各种与区块链技术与数字货币有关的法律文件。