“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	liquid ring vacuum pump liquid rocket engine combustion chamber liquid rocket engine for attitude controlling liquid rocket engine ignition device liquid rocket engine performance parameters liquid rocket propellant liquid rubber liquid safety detector liquid scintillant mixture liquid Scintillation counter liquid scintillation counter liquid scintillation counting method liquid scintillation detector liquid scintillation detector; liquid scintillation counter liquid scintillator liquid secondary ion mass spectrometry liquid secondary ion mass spectrometry (LSIMS) liquid semiconductor liquid silicone rubber liquid sloshing liquid sloshing in a tank liquid smoking liquid solid adsorption separation liquid solid chromatography liquid-solid chromatography

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。