Article 42. The duration of patent right for inventions shall be twenty years, the duration of patent right for utility models and patent right for designs shall be ten years, counted from the date of filing.是什么意思_Article 42. The duration of patent right for inventions shall be twenty years, the duration of patent right for utility models and patent right for designs shall be ten years, counted from the date of filing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句