您要查找的是不是：
- Certificate of Patent of Invention of China 中国发明专利证书
- Necessity is the mother of invention. 需要是发明之母。
- I'm afraid he is guilty of a good deal of invention. 我看他撒了很多谎。
- Necessity is the mother of invention, but patent right is the father. 需要是发明之母，但专利权是发明之父。
- Swift's power of invention is incomparable. 斯威夫特有过人的想象力。
- Could you make out a certificate of the theft? 能给我这起偷盗事件的证明吗?
- Indeed, a new age of invention is just beginning. 事实上,发明的新时代刚刚开始。
- Was the well-spring of invention drying up? 难道发明的源泉已经枯竭了吗?
- The certificate of origin must be provided. 必须提供产地证书。
- Original Death Certificate of Life Insured. 受保人死亡证书正本。
- Necessity is the other of invention. 需要是发明之母。
- I'll check the material certificate of the pipe. 我要这管子的材质。
- Mr. russ foiled their plan of invent a new machine. 罗素先生阻止他们发展新机器的计划。
- Certificate of Quality in copies issued by. 由出具的质量证明书一式份。
- His power of invention will never dry up. 他的创造力永远也不会枯竭。
- Certificate of Quality issued by the Sellers. 制造厂家出具的质量证明书。
- They say that necessity is the mother of invention. 人们说，需要是创造发明之母。
- Certificate of Quantity in copies issued by. 由出具的数量证明书一式份。
- We have not yet done much in the way of invention. 我们在发明创造方面做的还不多。
- Certificate of forestry for the timber? 是什么证书呀?
