您要查找的是不是：
- IFI/Plenum Data Co. Patent Retrieval System 美国工业情报/普列纳姆数据公司专利检索系统
- Derwent Publications Ltd. Patent Retrieval System 德温特出版公司专利检索系统
- Comparative Analysis on Chinese Patent Retrieval System 中国专利检索系统的比较分析
- A Study of the Identify Method about IPC and Theme Terms on Patent Retrieval 专利检索中的IPC和主题词识别方法研究
- Comparative Analysis on Patent Retrieval of Domestic Patent Web Site 国内专利网站专利检索的比较评析
- He got a patent for this invention. 他获得了这项发明的专利权。
- The patent runs out in three years time. 这项专利期限为3年。
- Lost possessions beyond retrieval. 无法挽回的失去物品
- Dr. Li is a specialist in information retrieval. 李博士是位信息检索专家。
- Did you take out a patent on your design? 你是否取得一项设计的专利?
- Infringe a contract; infringe a patent. 违反一项合同; 侵犯专利权
- The patent office needs90 days to wait for any possible opposition. 专利局需要90天的时间等候任何可能产生的反对意见。
- A unit of a computer that preserves data for retrieval. 存储器存储数据以备日后查用的计算机部件
- It was patent to everyone that he disliked the idea. 每个人都看得出来他不喜欢这个主意。
- Only when everything is ok will the patent be registered. 只有一切都顺利，才能登记专利。
- The first English patent for a typewriter was issued in1714. 英国第一台打字机专利证书是一七一四年颁发的。
- The first English patent for a typewriter was issued in 1714. 英国第一台打字机专利证书是一七一四年颁发的。
- Mary has taken out a patent for a new invention. 玛丽取得了一项新发明的专利权。
- In information retrieval, a word used to categorize or index information. 情报［信息］检索中用于对信息分类或索引的词。同keyword。
- patent retrieval 专利检索
