letters of patent
英 [ˈletəz ɒv ˈpætnt]
美 [ˈletərz əv ˈpætnt]
专利（权）证书；专利证书
双语例句
- The letters patent should confirm the protection range of the product based on the content of this patent specification.
专利文件是以权利要求书的内容为准，来确定产品的保护范围。 - It's not necessary to transfer the possession of letters patent for the creation of the pledge right of patent right.
专利权质权的设定不以移转专利证书的占有为必要。