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Progress Report on Improvement in Gun Steel Ingot Practices (OD-34-3)

Robert Franklin MehlJ. W. SpretnakC. F. Sawyer

出版	National Defense Research Committee of Office of Scientific Research and Development, War Metallurgy Division, 1944
URL	http://books.google.com.hk/books?id=E4ihtAEACAAJ&hl=&source=gbs_api