a patent device的用法和樣例：
例句
- One can get all the details of a patented invention from a library attached to the patent office.
我們可以從附屬于專(zhuān)利局的圖書(shū)館獲取某項專(zhuān)利發(fā)明的所有詳細資料。 - This was not a patentable invention, since Volta and others long ago created the principles of batteries.
這不是一個(gè)專(zhuān)利發(fā)明，因為沃爾特和其他很久以前創(chuàng )建的原則，電池。
