论文部分内容阅读
(一)TDJ减速顶: 1977年通过部级鉴定;1978年获全国科学大会奖(证书—0011252号);1987年获国家发明专利权(证书—第454号);1989年获世界知识产权组织和中国专利局颁发的发明专利优秀奖,是铁道部唯一的一项获奖专利,1989年在波兰获得发明专利权(证书一第148196号)。
(A) TDJ Retarder: passed the ministerial level appraisal in 1977; won the National Science Conference Award in 1978 (certificate-0011252); obtained the national invention patent (Certificate No. 454) in 1987; obtained the World Intellectual Property Organization And the Patent Award for Invention Patents issued by the Chinese Patent Office are the only award-winning patents of the Ministry of Railways. In 1989, they obtained the invention patent (Certificate No. 148196) in Poland.