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Radiantly heated furnace
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Patent number 4,676,741
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Issue date Jun 30, 1987
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The International Metals Reclamation Company, Inc.
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John K. Pargeter
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C21 - METALLURGY OF IRON
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3554682
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Patent number 3,554,682
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Issue date Jan 12, 1971
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F27 - FURNACES KILNS OVENS RETORTS
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3352605
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Patent number 3,352,605
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Issue date Nov 14, 1967
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F27 - FURNACES KILNS OVENS RETORTS
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2148465
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Patent number 2,148,465
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Issue date Feb 28, 1939
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F27 - FURNACES KILNS OVENS RETORTS
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1869124
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Patent number 1,869,124
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Issue date Jul 26, 1932
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F27 - FURNACES KILNS OVENS RETORTS
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1828492
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Patent number 1,828,492
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Issue date Oct 20, 1931
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F27 - FURNACES KILNS OVENS RETORTS
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1606100
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Patent number 1,606,100
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Issue date Nov 9, 1926
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F27 - FURNACES KILNS OVENS RETORTS
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1557773
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Patent number 1,557,773
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Issue date Oct 20, 1925
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F27 - FURNACES KILNS OVENS RETORTS
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1506924
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Patent number 1,506,924
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Issue date Sep 2, 1924
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F27 - FURNACES KILNS OVENS RETORTS