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Kiln
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Patent number 11,570,994
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Issue date Feb 7, 2023
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Grand Mate Co., Ltd.
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Chung-Chin Huang
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A21 - BAKING EDIBLE DOUGHS
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Metallurgical furnace
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Patent number 9,915,476
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Issue date Mar 13, 2018
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9282-3087 QUEBEC INC.
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John Chao
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F27 - FURNACES KILNS OVENS RETORTS
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Support device for furnace
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Patent number 6,286,442
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Issue date Sep 11, 2001
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Outokumpu Oyj
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Markus Ranki
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F27 - FURNACES KILNS OVENS RETORTS
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Fire brick for a rotary kiln
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Patent number 4,340,360
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Issue date Jul 20, 1982
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Veitscher Magnesitwerke-Aktiengesellschaft
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Fritz Hoedl
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F27 - FURNACES KILNS OVENS RETORTS
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3324810
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Patent number 3,324,810
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Issue date Jun 13, 1967
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F27 - FURNACES KILNS OVENS RETORTS
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3008513
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Patent number 3,008,513
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Issue date Nov 14, 1961
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C21 - METALLURGY OF IRON
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2769410
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Patent number 2,769,410
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Issue date Nov 6, 1956
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F27 - FURNACES KILNS OVENS RETORTS
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2606017
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Patent number 2,606,017
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Issue date Aug 5, 1952
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F27 - FURNACES KILNS OVENS RETORTS
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2561933
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Patent number 2,561,933
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Issue date Jul 24, 1951
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F27 - FURNACES KILNS OVENS RETORTS
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2462289
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Patent number 2,462,289
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Issue date Feb 22, 1949
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F27 - FURNACES KILNS OVENS RETORTS
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2231498
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Patent number 2,231,498
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Issue date Feb 11, 1941
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F27 - FURNACES KILNS OVENS RETORTS
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2192642
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Patent number 2,192,642
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Issue date Mar 5, 1940
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F27 - FURNACES KILNS OVENS RETORTS
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2163435
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Patent number 2,163,435
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Issue date Jun 20, 1939
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F27 - FURNACES KILNS OVENS RETORTS
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2155165
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Patent number 2,155,165
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Issue date Apr 18, 1939
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F27 - FURNACES KILNS OVENS RETORTS
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2148054
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Patent number 2,148,054
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Issue date Feb 21, 1939
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F27 - FURNACES KILNS OVENS RETORTS