首页 / 百科 / 内容详情 There are three types of patents in China: invention patents, utility model patents, and design patents. 2022-05-01 1次阅读 patents invention utility There are three types of patents in China: invention patents, utility model patents, and design patents. A.正确B.错误正确答案：正确 The definition of design in China's Patent Law is: Appearance design refers to a new design that is aesthetically pleasi The definition of invention is: Invention refers to a new technical solution suitable for practical use that is applied to the s 猜你喜欢 There are（）types of patents in China.