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Industrial furnace cover
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Patent number 9,453,679
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Issue date Sep 27, 2016
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Refractory Intellectual Property GmbH & Co. KG
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Peter Zottler
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3762123
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Patent number 3,762,123
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Issue date Oct 2, 1973
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F27 - FURNACES KILNS OVENS RETORTS
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3405668
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Patent number 3,405,668
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Issue date Oct 15, 1968
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F27 - FURNACES KILNS OVENS RETORTS
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3400672
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Patent number 3,400,672
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Issue date Sep 10, 1968
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F27 - FURNACES KILNS OVENS RETORTS
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3374594
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Patent number 3,374,594
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F27 - FURNACES KILNS OVENS RETORTS
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3350085
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Patent number 3,350,085
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Issue date Oct 31, 1967
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C21 - METALLURGY OF IRON
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3282231
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Patent number 3,282,231
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Issue date Nov 1, 1966
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F27 - FURNACES KILNS OVENS RETORTS
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3280771
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Patent number 3,280,771
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Issue date Oct 25, 1966
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F27 - FURNACES KILNS OVENS RETORTS
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3251324
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Patent number 3,251,324
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Issue date May 17, 1966
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F27 - FURNACES KILNS OVENS RETORTS
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3204587
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Patent number 3,204,587
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F27 - FURNACES KILNS OVENS RETORTS
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3187694
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Patent number 3,187,694
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F27 - FURNACES KILNS OVENS RETORTS
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3085523
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Patent number 3,085,523
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F27 - FURNACES KILNS OVENS RETORTS
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3068813
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Patent number 3,068,813
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F27 - FURNACES KILNS OVENS RETORTS
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3049165
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Patent number 3,049,165
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3034457
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Patent number 3,034,457
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Issue date May 15, 1962
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B28 - WORKING CEMENT, CLAY, OR STONE
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3031748
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Patent number 3,031,748
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Issue date May 1, 1962
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3029755
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Patent number 3,029,755
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Issue date Apr 17, 1962
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B28 - WORKING CEMENT, CLAY, OR STONE
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2997008
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Patent number 2,997,008
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F27 - FURNACES KILNS OVENS RETORTS
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2991736
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Patent number 2,991,736
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F24 - HEATING RANGES VENTILATING
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2932265
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Patent number 2,932,265
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F27 - FURNACES KILNS OVENS RETORTS
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2885976
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F27 - FURNACES KILNS OVENS RETORTS
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2840017
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F27 - FURNACES KILNS OVENS RETORTS
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2694992
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F27 - FURNACES KILNS OVENS RETORTS
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2517876
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Patent number 2,517,876
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F27 - FURNACES KILNS OVENS RETORTS
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2398622
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Patent number 2,398,622
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F27 - FURNACES KILNS OVENS RETORTS
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1751676
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Patent number 1,751,676
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F27 - FURNACES KILNS OVENS RETORTS
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1544870
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Patent number 1,544,870
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F27 - FURNACES KILNS OVENS RETORTS