(2013年)当事人转让专利权的,专利权的转让自交付专利证书之日起生效。( ) 发布时间:2021-08-31 11:06 │ 来源:www.tikuol.com 题型:判断题 问题: (2013年)当事人转让专利权的,专利权的转让自交付专利证书之日起生效。( )
题型:判断题 Han Mei in this school since 2009. She knows every teacher here. [ ]A. will study B. studiesC. studied D. has studied 查看答案