英语词汇“patent of improvement”的翻译、意思、用法、释义-英汉汉英双解词典

单词	patent of improvement
释义	patent of improvement 利改进的专利
随便看	genus crangons genus Craspedia genus craspedias genus Crassostrea genus crassostreas genus Crassula genus crassulas genus Crataegus genus crataeguss genus Crateva genus cratevas genus Crax genus craxes Genuscrenatula genus Crepis genus crepiss genus Crescentia genus crescentias genus Crex genus crexes genus Cricetus genus cricetuss genus Crocethia genus crocethias genus Crocodilus