摘要
检索中国国家知识产权局受理且公开的航天运输系统专利申请,分析国内外企业在中国的专利申请态势,研究国内外企业在中国的技术比较优势演变,提出了中国航天运输系统发展的思考。
Patent applications on space transportation filed in china are retrieved,development trend of domestic and foreign applications are analyzed,and comparative advantage and its evolution of different technological fields are studied.Lastly,some suggestions on development of china space transportation are put forward.
出处
《导弹与航天运载技术》
北大核心
2012年第2期58-61,共4页
Missiles and Space Vehicles
关键词
航天运输系统
知识产权
专利
优势
Space transportation
Intellectual property
Patent
Advantage
