登入選單
返回Google圖書搜尋
Progress Report on Investigation of Boron in Armor Plate (OD-87): Machinability Evaluation by Cutting-speed Tool-life Tests of Three Steels, Each in Three Annealed Structures
出版National Defense Research Committee of Office of Scientific Research and Development, War Metallurgy Division, 1944
URLhttp://books.google.com.hk/books?id=hzyiswEACAAJ&hl=&source=gbs_api