36.8 元券 9781118369371ScientistsEngineersInvention ￥699.2 0去看看 澜瑞图书专营店发布了 【4周达】How To Invent And Protect Your Invention: A Guide To Patents For Scientists And Engineers [W... [9781118369371]
![【4周达】How To Invent And Protect Your Invention: A Guide To Patents For Scientists And Engineers [W... [9781118369371]](https://img.alicdn.com/bao/uploaded/i4/2107887916/O1CN01S43ItD28LaGOpns6X_!!0-item_pic.jpg_280x380xz.jpg)
