CA4091A - Improvements on the manufacture of iron and steel, on the construction and lining of revolving furnaces and on apparatus connected therewith
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Improvements on the manufacture of iron and steel, on the construction and lining of revolving furnaces and on apparatus connected therewith
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CA000004091AImprovements on the manufacture of iron and steel, on the construction and lining of revolving furnaces and on apparatus connected therewith
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Improvements on the art of welding iron and steel, and for purifying thesame in smelting and puddling furnaces, and in a composition of matter for that purpose