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Scrap recovery apparatus
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Patent number 5,054,747
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Issue date Oct 8, 1991
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Stein Atkinson Stordy Limited
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Ophneil H. Perry
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Rotating furnaces
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Patent number 4,102,530
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Issue date Jul 25, 1978
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British Steel Corporation
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David A. Hawkes
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C21 - METALLURGY OF IRON
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3604692
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Patent number 3,604,692
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Issue date Sep 14, 1971
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F27 - FURNACES KILNS OVENS RETORTS
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3584850
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Patent number 3,584,850
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Issue date Jun 15, 1971
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3358977
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Patent number 3,358,977
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Issue date Dec 19, 1967
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F27 - FURNACES KILNS OVENS RETORTS
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3350077
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Patent number 3,350,077
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Issue date Oct 31, 1967
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F27 - FURNACES KILNS OVENS RETORTS
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2982531
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Patent number 2,982,531
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Issue date May 2, 1961
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F27 - FURNACES KILNS OVENS RETORTS
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2904322
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Patent number 2,904,322
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Issue date Sep 15, 1959
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F27 - FURNACES KILNS OVENS RETORTS
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2657033
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Patent number 2,657,033
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Issue date Oct 27, 1953
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F27 - FURNACES KILNS OVENS RETORTS
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2049734
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Patent number 2,049,734
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Issue date Aug 4, 1936
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F27 - FURNACES KILNS OVENS RETORTS
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1731457
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Patent number 1,731,457
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Issue date Oct 15, 1929
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F27 - FURNACES KILNS OVENS RETORTS
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1358761
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Patent number 1,358,761
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Issue date Nov 16, 1920
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F27 - FURNACES KILNS OVENS RETORTS