2. 外语
  3. Patent Patents【T1】______the chances of inventors to make money from【T2】______.【T3】______. During that time, the inventor【T4】

Patent Patents【T1】______the chances of inventors to make money from【T2】______.【T3】______. During that time, the inventor【T4】

admin2018-03-29  48
问题     Patent
    Patents【T1】______the chances of inventors to make money from【T2】______.【T3】______. During that time, the inventor【T4】______ to【T5】______. After 20 years,【T6】______ make or sell the invention.
    A patent gives【T7】______time to develop and market a product. Patents also provide a way to share and spread【T8】______
    【T9】______you have an idea for an invention How do you【T10】______? The first step is【T11】______. You must be sure【T12】______. So you must【T13】______ that already have patents. This can be a big job and【T14】______. Many inventors【T15】______.
【T3】
选项
答案The term of a patent is up to 20 years
解析
转载请注明原文地址:https://kaotiyun.com/show/H6xK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)