US1941203A
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Method of improving the mechanical workability of high chrome steels
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Alloy steel
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Alloy steel containing nickel, silicon, and copper
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Alloying
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Manufacture of irons and steels
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Molybdenum nitriding steels and process of nitriding same
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Ferro-aluminum alloy and method of making it
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Stable-surface alloy steel resistant to acids
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Stable-surface alloy steel
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Stable surface alloy steel
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Stable-surface alloy steel
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Stable-surface iron-chromium-silicon alloy
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Process of making products with welded faces of stable surface alloy
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Process and product of making low-carbon chromium-iron alloys
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Valve for internal-combustion engines
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Article resistant to food acids and process of making same
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Alloy steel and articles made therefrom
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Heat-resisting articles of alloy steel
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Process of making hollow drill rods
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Process of making reenforced noncorrosive steel
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