“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	pressure atomization pressure balance pressure bar pressure-based input pressure broadening pressure buildup testing pressure calibration pressure casting machinery pressure centre pressure coefficient at constant volume pressure-composition-temperature curve pressure control algorithm of pressure constant ensemble simulation pressure control systems pressure control valve pressure coordinate pressure-coupled response pressure deep drawing pressure-dependent reaction pressure derivative pressure detection pressured gasification pressure difference for oil production pressure distortion index pressure drag pressure drawdown testing

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。