首页 / 百科 / 内容详情 There are（）types of patents in China. 2022-05-01 2次阅读 patents there China There are（）types of patents in China. 正确答案：3 植物也怕“痒”，下面哪种植物被称为痒痒树？ In（）, the first China College Students “Internet+” Innovation and Entrepreneurship Competition is hosted 猜你喜欢 There are three types of patents in China: invention patents, utility model patents, and design patents.