... letter of lien留置权证书 letter of patent专利证书 letter of recommendation改进管理建议信函 ...
双语例句
1
In 2006, we attained technical invention letterofpatent.
2006年,获得技术发明专利证书。
2
The international letterofpatent and exhibition photograph.
国际专利证书及展览相片。
3
If there is an aforesaid power of attorney, his relative or friend may sign the patent trust letter on his behalf when the formalities for patent trust are handled.