您要查找的是不是：
- He got a patent for this invention. 他获得了这项发明的专利权。
- Has undergone a religious conversion. 经历一次宗教信仰的转变。
- The patent runs out in three years time. 这项专利期限为3年。
- Did you take out a patent on your design? 你是否取得一项设计的专利?
- A proposition obtained by conversion. 逆命题通过换位得到的命题
- 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。
- Conversion to gas central heating will save you a lot of money. 改用煤气集中供暖将节省大笔开支。
- 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。
- Conversion of your heating system from coal to gas will be costly. 你把暖气系统由烧煤改造成烧瓦斯会花好多钱。
- He laughed to conver his nervousness. 用笑掩饰。
- Three Practical Situational Conver sations. 个实战经典对话）。
- patent conversion 专利转化
- 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。
- May I have a convers :) ation with you? 我可以跟你谈一下吗？
- Coding Workshop Ringto...Mobile Ringtone Conver... 音乐剪切工具Ringtone C...
- Mary has taken out a patent for a new invention. 玛丽取得了一项新发明的专利权。
- Conversion of one substance into another. 变质从一种物质向另一种物质的转化
