“专利维持费”的概念、定义、翻译、参考文献-科学参考

单词	专利维持费
释义	专利维持费 Encyclopedia 法学专利战略释 patent maintenance fee专利维持费专利权人为了维护其专利权的有效性依法向国家行政部门缴纳的规费。又称专利年费。
随便看	SPAN span span by span construction technology spandex Spanier Spanier-Whitehead duality span in a category Spanish Spanish American Enlightenment Spanish-American War Spanish Art Spanish cinema Spanish Civil War Spanish dance Spanish economic reformation in Philippenes Spanish gardens Spanish Golden Age Spanish language Spanish literature Spanish mackerel Spanish music spanish needles Spanish Phalanx Spanish private international law Spanish Revolution（1808～1814）

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。