US4080225A
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Low temperature, weldable, low alloy steel
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US4065331A
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Rolled low carbon niobium steel
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Low temperature steel process
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US3721587A
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Low carbon,niobium and aluminum containing steel sheets and plates and process
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Drag wipe
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Low alloy age-hardenable steel and process
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Apparatus for inserting a dam in a tube
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Machine for cutting designs on rolls
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Patching of by-product coke oven tubular surfaces
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Process of production of iron powder
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Distillation of coal tar
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Door banking
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Running board for cars
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High strength corrosion resistant ferrous alloy sheets
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Process of producing sheets from corrosion-resistant ferrous-base alloys combining improved strengh properties with corrosion resistance
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US1831810A
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Running board for railway cars
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Running board for railway cars
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CA551857A
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Process of production of powdered iron
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CA393583A
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Corrosion resistant ferrous alloy sheet
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CA408735A
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Running board for railway cars
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